noun
1. the principal character in a work of fiction
• Syn: ↑protagonist
• Derivationally related forms: ↑agony
• Instance Hypernyms: ↑fictional character, ↑fictitious character, ↑character
• Hyponyms: ↑antihero
2. someone involved in a contest or battle (as in an agon)
• Ant: ↑antagonist
• Hypernyms: ↑contestant
3. a muscle that contracts while another relaxes
-
when bending the elbow the biceps are the agonist
• Hypernyms: ↑antagonistic muscle
4. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
• Topics: ↑biochemistry
• Hypernyms: ↑drug
Useful english dictionary. 2012.