Antagonist

Noun

 * 1) An opponent or enemy.
 * 2) One who antagonizes or stirs.
 * 3)  A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
 * 4) The main character or force opposing the protagonist in a literary work or drama.

Thesaurus
opposite camp; opposition; oppugnant; pantomime; pantomimist; part; person; personage; piece; playactor; player; protagonist; protean actor; public enemy; reciter; role; 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; walk-on; walking part, Roscius; 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;

Etymology
From antagonista:, from  ἀνταγωνιστής: (ἀντί: + ἀγωνιστής:), from ἀνταγωνίζεσθαι:.

Antonyms

 * protagonist
 * agonist

Related terms

 * agonistes
 * antagonise, antagonize


 * antagonism
 * receptor antagonist

Translations

 * Greek:
 * Portuguese:
 * Russian: антагонист


 * Spanish: antagonista
 * Swedish: motståndare


 * Greek:
 * Portuguese:


 * Russian: антагонист
 * Spanish: antagonista


 * Greek:


 * Norwegian: Kjemisk

Anagrams

 * stagnation