Associations to the word «Antagonist»

Wiktionary

ANTAGONIST, noun. An opponent or enemy.
ANTAGONIST, noun. One who antagonizes or stirs.
ANTAGONIST, noun. (biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
ANTAGONIST, noun. The main character or force opposing the protagonist in a literary work or drama.
ANTAGONIST, noun. (anatomy) A muscle that acts in opposition to another.

Dictionary definition

ANTAGONIST, noun. Someone who offers opposition.
ANTAGONIST, noun. A muscle that relaxes while another contracts; "when bending the elbow the triceps are the antagonist".
ANTAGONIST, noun. A drug that neutralizes or counteracts the effects of another drug.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.