Synonyms of agonist

Noun

1. protagonist, agonist

usage: the principal character in a work of fiction

2. agonist, contestant

usage: someone involved in a contest or battle (as in an agon)

3. agonist, antagonistic muscle

usage: a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist"

4. agonist, drug

usage: (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction

Definition and meaning of agonist (Dictionary)