Antonyms of noun agonist

1 of 4 senses of agonist

Sense 2
agonist -- (someone involved in a contest or battle (as in an agon))
       Antonym of antagonist (Sense 1)
      => adversary, antagonist, opponent, opposer, resister -- (someone who offers opposition)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun agonist

4 senses of agonist

Sense 1
protagonist, agonist -- (the principal character in a work of fiction)
       INSTANCE OF=> fictional character, fictitious character, character -- (an imaginary person represented in a work of fiction (play or film or story); "she is the main character in the novel")

Sense 2
agonist -- (someone involved in a contest or battle (as in an agon))
       => contestant -- (a person who participates in competitions)

Sense 3
agonist -- (a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist")
       => antagonistic muscle -- ((physiology) a muscle that opposes the action of another; "the biceps and triceps are antagonistic muscles")

Sense 4
agonist -- ((biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction)
       => drug -- (a substance that is used as a medicine or narcotic)