Agonist Definition

ăgə-nĭst
agonists
noun
agonists
A muscle whose contraction is counteracted by the movement of another muscle (called the antagonist)
Webster's New World
One who takes part in a struggle, as a main character in a drama.
Webster's New World
A substance in the body, or a drug, that acts as a stimulant by binding to a receptor cell, causing a response that may be counteracted by another substance or drug (called the antagonist)
Webster's New World
Synonyms:
protagonist
Antonyms:
antagonist

Other Word Forms of Agonist

Noun

Singular:
agonist
Plural:
agonists

Origin of Agonist

  • Late Latin agōnista contender from Greek agōnistēs from agōn contest agony

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἀγωνιστής (agōnistēs, “combatant, champion”)

    From Wiktionary

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