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Character of a work actively opposing the protagonist
An antagonist is a character in a story who is presented as the main enemy or rival of the protagonist and is often depicted as a villain. The English
Antagonist
Type of receptor ligand or drug that blocks a biological response
A receptor antagonist is a type of receptor ligand or drug that blocks or dampens a biological response by binding to and blocking a receptor rather than
Receptor_antagonist
2025 concert tour by Playboi Carti
The Antagonist Tour, marketed as Antagonist 2.0, was the fifth concert tour by American rapper Playboi Carti in support of his third studio album, Music
Antagonist_Tour
Drug which blocks dopamine receptors
A dopamine antagonist, also known as an anti-dopaminergic and a dopamine receptor antagonist (DRA), is a type of drug which blocks dopamine receptors
Dopamine_antagonist
Topics referred to by the same term
Look up antagonist, antagonistic, or antagonists in Wiktionary, the free dictionary. An antagonist is a character opposing the protagonist in literature
Antagonist_(disambiguation)
Class of drugs
An orexin receptor antagonist, or orexin antagonist, is a drug that inhibits the effect of orexin by acting as a receptor antagonist of one (selective
Orexin_antagonist
Receptor antagonist that acts on one or more of the opioid receptors
opioid antagonist, or opioid receptor antagonist, is a receptor antagonist that acts on one or more of the opioid receptors. Opioid antagonists can work
Opioid_antagonist
Drug that binds to but does not activate muscarinic cholinergic receptors
A muscarinic acetylcholine receptor antagonist, also simply known as a muscarinic antagonist or as an antimuscarinic agent, is a type of anticholinergic
Muscarinic_antagonist
Drug that blocks histamine or histamine agonists
receptor antagonist or an inverse agonist at histamine receptors. Only a few currently marketed H1-antihistamines are known to function as antagonists. Histamine
Antihistamine
Drug which blocks the effects of cholecystokinin
A cholecystokinin receptor antagonist is a specific type of receptor antagonist which blocks the receptor sites for the peptide hormone cholecystokinin
Cholecystokinin_antagonist
Medication class with multiple uses
spelled β-blockers and also sometimes known as β-adrenergic receptor antagonists, are a class of medications predominantly used to manage abnormal heart
Beta_blocker
Class of anesthetics
NMDA receptor antagonists are a class of drugs that work to antagonize, or inhibit the action of, the N-methyl-D-aspartate receptor (NMDAR). They are
NMDA_receptor_antagonist
Drugs that block the action of histamine
H1 antagonists, also called H1 blockers, are a class of medications that block the action of histamine at the H1 receptor, helping to relieve allergic
H1_antagonist
Type of drug
In pharmacology the term agonist-antagonist or mixed agonist/antagonist is used to refer to a drug which under some conditions behaves as an agonist. Which
Agonist-antagonist
Type of drug
An adrenergic antagonist is a drug that inhibits the function of adrenergic receptors. There are five adrenergic receptors, which are divided into two
Adrenergic_antagonist
Class of pharmacological agents
known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic receptors (α-adrenoceptors)
Alpha_blocker
New Zealand metalcore band
Antagonist A.D. are a metalcore band from Auckland, New Zealand, formed in 2005. Antagonist A.D was formed in 2005 by vocalist Sam Crocker and bassist
Antagonist_A.D.
Drug that inhibits the action of acetylcholine at nicotinic acetylcholine receptors
A nicotinic antagonist is a type of anticholinergic drug that inhibits the action of acetylcholine (ACh) at nicotinic acetylcholine receptors. These compounds
Nicotinic_antagonist
CXCR2 antagonist are a class of pharmacological agents that inhibit the activity of the G-protein-coupled receptors (GPCR) CXCR2 receptor. Cxcr2 is involved
CXCR2_antagonist
Parasympathetic nervous system inhibitors
nicotinic acetylcholine receptors. Caffeine (although an adenosine receptor antagonist) can counteract the anticholinergic symptoms by reducing sedation and
Anticholinergic
Chemical inhibiting the function of glands
For the use of hormone antagonists in cancer, see hormonal therapy (oncology) A hormone antagonist is a molecule, produced either synthetically or endogenously
Hormone_antagonist
A Beta-3 adrenergic antagonist (β3-adrenoceptor antagonist) is an adrenergic antagonist which blocks the Beta-3 adrenergic receptors of cells, with either
Beta-3_adrenergic_antagonist
Antihistaminic drug
An H3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H3 receptors. Unlike the H1 and H2 receptors which
H3_receptor_antagonist
American metalcore band
Antagonist was an American metalcore band from Whittier, California, formed in 1998. They released numerous EPs prior to being signed with Prosthetic Records
Antagonist_(band)
A CXCR4 antagonist is a substance which blocks the CXCR4 receptor and prevent its activation. Blocking the receptor stops the receptor's ligand, CXCL12
CXCR4_antagonist
Drug class
A mineralocorticoid receptor antagonist (MRA or MCRA) or aldosterone antagonist, is a diuretic drug which antagonizes the action of aldosterone at mineralocorticoid
Mineralocorticoid receptor antagonist
Mineralocorticoid_receptor_antagonist
Cultural movement against commercialization
The Antagonist Art Movement was a cultural movement formed in New York City in 2000. The group grew out of desperation and in reaction to the New York
Antagonist_Movement
Drug that blocks endothelin receptors
endothelin receptor antagonist (ERA) is a drug that blocks endothelin receptors. Three main kinds of ERAs exist: Dual ET Receptor Antagonists, which affect
Endothelin receptor antagonist
Endothelin_receptor_antagonist
Class of medications
H2 antagonists, sometimes referred to as H2RAs and also called H2 blockers, are a class of medications that block the action of histamine at the histamine
H2_receptor_antagonist
A Beta-2 adrenergic antagonist (β2-adrenoceptor antagonist) is an adrenergic antagonist which blocks the beta-2 adrenergic receptors of cells, with either
Beta-2_adrenergic_antagonist
A Corticotropin-releasing hormone antagonist (CRH antagonist) is a specific type of receptor antagonist that blocks the receptor sites for corticotropin-releasing
Corticotropin-releasing hormone antagonist
Corticotropin-releasing_hormone_antagonist
A prostaglandin antagonist is a hormone antagonist acting upon one or more prostaglandins, a subclass of eicosanoid compounds which function as signaling
Prostaglandin_antagonist
Neurotransmission-modulating substance
A serotonin antagonist, or serotonin receptor antagonist, is a drug used to inhibit the action of serotonin and serotonergic drugs at serotonin (5-HT)
Serotonin_receptor_antagonist
Class of pharmaceutical drugs
Antiandrogens, also known as androgen antagonists or testosterone blockers, are a class of drugs that prevent androgens like testosterone and dihydrotestosterone
Antiandrogen
Drug that blocks hallucinogen effects
A trip killer, also known as a hallucinogen antidote or hallucinogen antagonist, is a drug that aborts or reduces the effects of a hallucinogenic drug
Trip_killer
Class of drugs
gene-related peptide (CGRP) receptor antagonists, commonly known as gepants, are a class of drugs that act as antagonists of the calcitonin gene-related peptide
Calcitonin gene-related peptide receptor antagonist
Calcitonin_gene-related_peptide_receptor_antagonist
Group of substances
Vitamin K antagonists (VKA) are a group of substances that reduce blood clotting by reducing the action of vitamin K. The term "vitamin K antagonist" is technically
Vitamin_K_antagonist
Drug class
been evaluated in clinical studies. The non-selective opioid receptor antagonist naltrexone blocks the effects of salvinorin A. Synthetic analogues with
Κ-Opioid_receptor_agonist
Anti-nausea group of medications
The 5-HT3 antagonists, informally known as "setrons", are a class of drugs that act as receptor antagonists at the 5-HT3 receptor, a subtype of serotonin
5-HT3_antagonist
Belgian-born Canadian musician (born 1992)
Renaissance (2020) Renaissance (Remixes) (2021) Antagonist (2023) Antagonist (Remixes) Part I (2024) Antagonist (Remixes) Part II (2024) Machines Should Work
Apashe
Drug class
A serotonin 5-HT2A receptor antagonist, or simply 5-HT2A antagonist, is a drug which acts as an antagonist of the serotonin 5-HT2A receptor. Aside from
Serotonin 5-HT2A receptor antagonist
Serotonin_5-HT2A_receptor_antagonist
Class of drugs
A2A receptor antagonists are a class of drugs that block adenosine at the adenosine A2A receptor. Notable adenosine A2A receptor antagonists include caffeine
Adenosine A2A receptor antagonist
Adenosine_A2A_receptor_antagonist
Main receptor for most antipsychotic drugs
(D2HighR) and inactive (D2LowR) states, while in complex with an agonist and antagonist ligand, respectively. The monomeric inactive conformer of D2R in binding
Dopamine_receptor_D2
Chemical compound class
antagonists (-pitants) are a novel class of medications that possesses unique antidepressant, anxiolytic, and antiemetic properties. NK1 antagonists boost
NK1_receptor_antagonist
Class of medications
Gonadotropin-releasing hormone antagonists (GnRH antagonists) are a class of medications that antagonize the gonadotropin-releasing hormone receptor (GnRH
Gonadotropin-releasing hormone antagonist
Gonadotropin-releasing_hormone_antagonist
Antagonist that binds permanently to a receptor
An irreversible antagonist is a type of antagonist that binds permanently to a receptor, either by forming a covalent bond to the active site, or alternatively
Irreversible_antagonist
Class of chemical compounds
Somatostatin receptor antagonists (or somatostatin inhibitors) are a class of chemical compounds that work by imitating the structure of the neuropeptide
Somatostatin receptor antagonist
Somatostatin_receptor_antagonist
Class of drugs
An adenosine receptor antagonist is a drug which acts as an antagonist of one or more of the adenosine receptors. The best known are xanthines and their
Adenosine_receptor_antagonist
Class of drug
Serotonin antagonist and reuptake inhibitors (SARIs) are a class of drugs used mainly as antidepressants, but also as anxiolytics and hypnotics. They act
Serotonin antagonist and reuptake inhibitor
Serotonin_antagonist_and_reuptake_inhibitor
an antagonist in others. Hence selective receptor modulators are sometimes referred to as tissue selective drugs or mixed agonists / antagonists. This
Selective_receptor_modulator
Drug Class
GABA receptor antagonists are drugs that inhibit the action of GABA. In general these drugs produce stimulant and convulsant effects, and are mainly used
GABA_receptor_antagonist
Indian actor
Tamil, Telugu and Kannada films. He rose to fame for his role as the antagonist Garuda in KGF: Chapter 1. Prior to acting, Raju worked as Yash's bodyguard
Ramachandra_Raju
Catecholamine hormone and neurotransmitter
blocker" is used without qualification, it refers to a selective alpha-1 antagonist. Selective alpha-1 blockers have a variety of uses. Since one of their
Norepinephrine
Medical condition
Deficiency of the interleukin-1–receptor antagonist (DIRA) is an autosomal recessive, genetic autoinflammatory syndrome resulting from mutations in IL1RN
Deficiency of the interleukin-1–receptor antagonist
Deficiency_of_the_interleukin-1–receptor_antagonist
Agonist drug having partial efficacy at a receptor
and antagonistic effects—when both a full agonist and partial agonist are present, the partial agonist actually acts as a competitive antagonist, competing
Partial_agonist
Agent that interferes with action at the vasopressin receptors
A vasopressin receptor antagonist (VRA) is an agent that interferes with action at the vasopressin receptors. Most commonly VRAs are used in the treatment
Vasopressin receptor antagonist
Vasopressin_receptor_antagonist
Resources that produce the opposite of a synergistic effect
Antagonistic Assets are the opposite of complementary assets. These are defined as a combination of resources that jointly reduce value from the implementation
Antagonistic_assets
Compounds that inhibit or block the activity of cannabinoid receptors
A cannabinoid receptor antagonist, also known simply as a cannabinoid antagonist or as an anticannabinoid, is a type of cannabinoidergic drug that binds
Cannabinoid receptor antagonist
Cannabinoid_receptor_antagonist
Medication class that inhibits leukotriene synthesis and/or activity
antileukotriene, also known as leukotriene modifier and leukotriene receptor antagonist, is a medication which functions as a leukotriene-related enzyme inhibitor
Antileukotriene
Behaviour of substances
counteracting those of another substance (a result similar to that produced by an antagonist blocking the action of an agonist at the same receptor) using a mechanism
Physiological agonism and antagonism
Physiological_agonism_and_antagonism
Muscles terminology
extensors are the antagonists for both the lifting and lowering phases. Antagonist and agonist muscles often occur in pairs, called antagonistic pairs. As one
Anatomical_terms_of_muscle
Indian actor
appeared in Tamil language films, playing antagonistic and sometimes comedic roles. He played the antagonist in Attu (2017), Thimiru Pudichavan (2018)
Sai_Dheena
Drugs blocking alpha-2 adrenergic receptors
α2 blockers) are a subset of the alpha blocker class of drugs and are antagonists to the α2 adrenergic receptor. They are mainly used in research, having
Alpha-2_blocker
Drugs acting on the estrogen receptor
receptor agonists/antagonists (ERAAs), are a class of drugs that act on estrogen receptors (ERs). Compared to pure ER agonists–antagonists (e.g., full agonists
Selective estrogen receptor modulator
Selective_estrogen_receptor_modulator
Main character of a creative work
followed by the reader or audience, and who is opposed by the antagonist. The antagonist provides obstacles and complications and creates conflicts that
Protagonist
Protein and coding gene in humans
The interleukin-1 receptor antagonist (IL-1RA) is a protein that in humans is encoded by the IL1RN gene. IL-1RA was initially called the IL-1 inhibitor
Interleukin-1 receptor antagonist
Interleukin-1_receptor_antagonist
2015 video game
The player character is a misanthropic mass-killer referred to as "The Antagonist" or "Not Important", who begins a "genocide crusade" to kill as many human
Hatred_(video_game)
Fictional character
and the main antagonist from the 1961 James Bond novel Thunderball. He appears in the 1965 film adaptation, again as the main antagonist, with Italian
Emilio_Largo
Chemical compound
Relumina among others, is a gonadotropin-releasing hormone antagonist (GnRH receptor antagonist) medication which is used in the treatment of prostate cancer
Relugolix
American animated television character
Fearless Leader is the main antagonist in the 1959–1964 animated television series Rocky and His Friends and The Bullwinkle Show, both shows often collectively
Fearless_Leader
Class of compounds
Alpha-1 blockers (also called alpha-adrenergic blocking agents or alpha-1 antagonists) constitute a variety of drugs that block the effect of catecholamines
Alpha-1_blocker
Indian actor
actor who works in Hindi cinema. He is known for playing supporting and antagonist roles. He played Eknath, a trade union leader in the 1995 Doordarshan
Kumud_Mishra
Class of drugs
Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their
Antiestrogen
American actress (born 1949)
her character's courtroom testimony, shifting the role from a secondary antagonist to a portrayal focused on a woman's autonomy. She became a leading actress
Meryl_Streep
Indian actor
in Hindi-language films and web series. He portrayed Azhar Akhtar, an antagonist in the 2024 action film Fighter, directed by Siddharth Anand. He previously
Rishabh_Sawhney
Class of pharmaceutical compounds
A glycine receptor antagonist is a drug which acts as an antagonist of the glycine receptor. Selective Brucine Strychnine Tutin Non-selective Bicuculline
Glycine_receptor_antagonist
Antagonist of The Rocky and Bullwinkle Show
Natasha Fatale is an antagonist in the 1959–1964 animated cartoons Rocky and His Friends and The Bullwinkle Show, collectively referred to as The Rocky
Natasha_Fatale
Neurotoxicity caused by some NMDA receptor antagonists
Olney's lesions, also known as NMDA receptor antagonist neurotoxicity (NAT), is a form of brain damage consisting of selective death of neurons but not
Olney's_lesions
into four categories as individual characters (Best Protagonist, Best Antagonist, Best Boy, and Best Girl) until 2022, all of which will be consolidated
Crunchyroll Anime Award for Best Character
Crunchyroll_Anime_Award_for_Best_Character
Class of compounds
Antiprogestogens or antiprogestins, also known as progesterone antagonists or progesterone blockers, are a class of drugs which prevent progestogens like
Antiprogestogen
Indian actor
Singh has carved out a career as an antagonist in the film industry. Some of his notable appearances as an antagonist are in Vedalam (2015), Sardaar Gabbar
Kabir_Duhan_Singh
Main antagonist of LazyTown
Glæpur, lit. 'Reckless crime') is a fictional character and the main antagonist of the Icelandic children's program LazyTown. He is also the series' primary
Robbie_Rotten
Substance related to histamine functions
histamine receptor antagonists (or antihistamines). Subdivisions of histamine antagonists include H1 receptor antagonists, H2 receptor antagonists, and H3 receptor
Histaminergic
Mexican actor
Mexican actor, known for playing antagonistic roles in Mexican telenovelas. He won the TVyNovelas Award for Best Antagonist Actor in 2008 for his role as
Sergio_Sendel
Donkey Kong antagonist
King K. Rool is a character and the main antagonist of Nintendo's Donkey Kong franchise. K. Rool is the leader of the Kremlings, an army of crocodilian
King_K._Rool
Class of compounds
antiandrogen with a steroidal chemical structure. They are typically antagonists of the androgen receptor (AR) and act both by blocking the effects of
Steroidal_antiandrogen
Action of an organism that harms or interferes with the functioning of another organism
limit the spread of disease, and enhance plant protection. For instance, antagonistic microbes can produce lytic enzymes, such as chitinases, which break down
Antagonism_(phytopathology)
Filipino actress
her home network GMA Network and was cast as Ruth Monteclaro, the main antagonist in Anna Karenina. In December 2013, she transferred back again in ABS-CBN
Valerie_Concepcion
Medical technique
using clomifene citrate in addition to low dose gonadotropin (in a GnRH antagonist protocol as described in the following section) resulted in a trend towards
Controlled ovarian hyperstimulation
Controlled_ovarian_hyperstimulation
Mexican actress
is a Mexican actress, singer, and dancer. She is widely known for her antagonist roles in many telenovelas. Born in Mexico City, Zapata is the daughter
Laura_Zapata
Substance that binds to and regulates the activity of chemical receptors
Categories of these modulators include receptor agonists and receptor antagonists, as well as receptor partial agonists, inverse agonists, orthosteric
Receptor_modulator
Metatone) – also a 5-HT2A receptor antagonist Viloxazine (Qelbree, formerly Vivalan) – also a 5-HT2B receptor antagonist and 5-HT2C receptor agonist Atomoxetine
List_of_antidepressants
Agent in biochemistry
a pharmacological response opposite to that of the agonist. A neutral antagonist has no activity in the absence of an agonist or inverse agonist but can
Inverse_agonist
Class of chemical compounds
An excitatory amino acid receptor antagonist, or glutamate receptor antagonist, is a chemical substance which antagonizes one or more of the glutamate
Excitatory amino acid receptor antagonist
Excitatory_amino_acid_receptor_antagonist
Protein-coding gene in the species Homo sapiens
Interleukin 36 receptor antagonist (IL-36RA) is a member of the interleukin-36 family of cytokines. It was previously named Interleukin-1 family member
Interleukin 36 receptor antagonist
Interleukin_36_receptor_antagonist
Drug class
Peripherally acting μ-opioid receptor antagonists (PAMORAs) are a class of chemical compounds that are used to reverse adverse effects caused by opioids
Peripherally acting μ-opioid receptor antagonist
Peripherally_acting_μ-opioid_receptor_antagonist
God of death and major antagonist against Mwindo in Nyanga mythology
Muisa is the god of death and a major antagonist against Mwindo in Nyanga mythology. He is typically shown as greedy, cowardly, and manipulative. He is
Muisa
American actor
Avengers (2012). In 2021, he appeared as the attorney Anson Wix, the main antagonist of the crime thriller television series CSI: Vegas first season. In 2022
Jamie_McShane
American actor
an American actor, known for providing the voice of Alduin, the main antagonist of The Elder Scrolls V: Skyrim. "Daniel Riordan (visual voices guide)"
Daniel_Riordan
Pharmaceutical drug
Ethyl biscoumacetate is a vitamin K antagonist. The Merck Index, 12th Edition. 3818 v t e
Ethyl_biscoumacetate
ANTAGONIST
ANTAGONIST
Boy/Male
Tamil
King of lanka, Ravana is a character in Hindu history, Who is the primary antagonist of the Hindu epic ramayana (Ten headed King of Lanka, who abducted Sita; brother of Vibhishana & Surpanakha; father of Indrajit; husband of Mandodari)
Boy/Male
Hindu
King of lanka, Ravana is a character in Hindu history, Who is the primary antagonist of the Hindu epic ramayana (Ten headed King of Lanka, who abducted Sita; brother of Vibhishana & Surpanakha; father of Indrajit; husband of Mandodari)
Male
English
Anglicized form of Greek MichaÄ“l (Hebrew Miyka'el), MICHAEL means "who is like God?" or literally "El's likeness." In the Old Testament bible, this is the name of many characters, including the prince of Angels, the first archangel who was closest to God and became the guardian angel of Israel. In the New Testament, he leads the angelic host against the Apocalyptic Dragon. The Dead Sea Scrolls contain a story entitled "The War of the Sons of Light and the Sons of Darkness," in which Michael is described as the "viceroy of heaven," a title said to once belong to Satan. His name was the war-cry of the angels when he led them in battle against their chief antagonist, Samael.Â
Boy/Male
Tamil
King of lanka, Ravana is a character in Hindu history, Who is the primary antagonist of the Hindu epic ramayana
Boy/Male
Hindu
King of lanka, Ravana is a character in Hindu history, Who is the primary antagonist of the Hindu epic ramayana
ANTAGONIST
ANTAGONIST
ANTAGONIST
ANTAGONIST
ANTAGONIST
ANTAGONIST
ANTAGONIST