agonist   (TTS Sound)

The noun agonist has 4 senses

• protagonist, agonist -- (the principal character in a work of fiction)


• agonist -- (someone involved in a contest or battle (as in an agon))


• agonist -- (a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist")


• agonist -- ((biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction)