Meaning of agonist
Pronunciation: (ag'u-nist), [key]
- a person engaged in a contest, conflict, struggle, etc., esp. the protagonist in a literary work.
- a person who is torn by inner conflict.
- a contracting muscle whose action is opposed by another muscle. Cf. antagonist (def. 3).
- a chemical substance capable of activating a receptor to induce a full or partial pharmacological response. Cf. antagonist (def. 5).
- agonist (Thesaurus)