Definition of Antagonist
Antagonist
an·tag·o·nist
Definition/Meaning
(noun)
an opponent or adversary, a person who is actively hostile to something or someone or who opposes or competes with them;
e.g. Often, a powerful antagonist is the key to making a story interesting.
(noun)
in biochemistry, a substance/chemical that acts to interfere with or inhibit the action of another substance, typically in the body;
e.g. This medicine acts as an antagonist to pain signalling in the body, which is how it helps to relieve pain.
(noun)
in anatomy, a muscle that is paired with another muscle such that they contract together and the former counteracts the action of the latter;
e.g. The antagonist muscle prevents the joint from being damaged by stopping it from being turned too far.
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