Meaning of ANTAGONIST
| Pronunciation: | | an'tagunist
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 WordNet Dictionary |
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- [n] a drug that neutralizes or counteracts the effects of another drug
- [n] a muscle that relaxes while another contracts
- [n] someone who offers opposition
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| | Synonyms: | | adversary, opponent, opposer, resister |
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| | Antonyms: | | synergist | | |
| | See Also: | | antagonistic muscle, Antichrist, drug, dueler, duelist, dueller, duellist, enemy, estrogen antagonist, foe, foeman, human, individual, Luddite, mortal, narcotic antagonist, opposition, person, somebody, someone, soul, tamoxifen, withstander | |
| Webster's 1913 Dictionary |
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\An*tag"o*nist\, n. [L. antagonista, Gr. ?; ? against
+ ? combatant, champion, fr. ?: cf. F. antagoniste. See
{Antagonism}.]
1. One who contends with another, especially in combat; an
adversary; an opponent.
Antagonist of Heaven's Almigthy King. --Milton.
Our antagonists in these controversies. --Hooker.
2. (Anat.) A muscle which acts in opposition to another; as a
flexor, which bends a part, is the antagonist of an
extensor, which extends it.
3. (Med.) A medicine which opposes the action of another
medicine or of a poison when absorbed into the blood or
tissues.
Syn: Adversary; enemy; opponent; toe; competitor. See
{Adversary}.
\An*tag"o*nist\, a.
Antagonistic; opposing; counteracting; as, antagonist schools
of philosophy.
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| Medical Dictionary |
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| | Definition: | | One agent that opposes or fights the action of another. For example, insulin lowers the level of glucose (sugar) in the blood, whereas glucagon raises it; therefore, insulin and glucagon are antagonists. |
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| Biology Dictionary |
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| | Definition: | | An interaction between chemicals in which one partially or completely inhibits the effect of the other (e.g., a drug that blocks a hormone's receptor site would be a hormone antagonist). |
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| Thesaurus Terms |
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| | Related Terms: | | actor, actress, adversary, anti, antihero, archenemy, assailant, bad guy, barnstormer, bit, bit part, bitter enemy, cast, character, character actor, character man, character woman, child actor, combatant, competition, competitor, con, contender, cue, devil, diseur, diseuse, dramatizer, enemy, fat part, feeder, foe, foeman, foil, heavy, hero, heroine, histrio, histrion, ingenue, juvenile, lead, lead role, leading lady, leading man, leading woman, lines, match, matinee idol, mime, mimer, mimic, monologist, mummer, open enemy, opponent, opposer, opposing party, opposite camp, opposition, oppugnant, pantomime, pantomimist, part, person, personage, piece, playactor, player, protagonist, protean actor, public enemy, reciter, role, Roscius, side, soubrette, stage performer, stage player, stooge, straight man, straight part, stroller, strolling player, supporting character, supporting role, sworn enemy, the loyal opposition, the opposition, theatrical, thespian, title role, trouper, utility man, villain, walking part, walk-on |
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