antagonistnoun [ C ]
uk/ænˈtæɡ.ən.ɪst/us/ænˈtæɡ.ən.ɪst/antagonist noun [ C ] (PERSON)
formal a person who is strongly opposed to something or someone:
The antagonists in this dispute are quite unwilling to compromise.
He sued several of his antagonists for libel.
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protagonist
Thesaurus: synonyms and related words
Enemies & rivals
- adversary
- arch-enemy
- enemy
- foe
- frenemy
- nemesis
- opponent
- rival
- scalp
- sworn enemy
- them
- them and us idiom
antagonist noun [ C ] (MUSCLE)
specialized anatomy a muscle that performs the opposite action to another muscle, for example making a movement slower or returning the body to its original position
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agonist
antagonist noun [ C ] (CHEMICAL)
specialized biology, chemistry a substance that stops or reduces a change or reaction in the body:
a seratonin antagonist
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agonist