English noun: agonist | |||
1. | agonist (person) the principal character in a work of fiction | ||
Synonyms | protagonist | ||
Narrower (hyponym) | antihero | ||
Instance hypernym | character, fictional character, fictitious character | ||
2. | agonist (person) someone involved in a contest or battle (as in an agon) | ||
Broader (hypernym) | contestant | ||
Antonyms | adversary, antagonist, opposer, opponent, resister | ||
3. | agonist (body) a muscle that contracts while another relaxes | ||
Samples | When bending the elbow the biceps are the agonist. | ||
Broader (hypernym) | antagonistic muscle | ||
4. | agonist (artifact) (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction | ||
Broader (hypernym) | drug | ||
Domain category | biochemistry | ||