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Webster 1913 Edition

Antagonist

An-tag′o-nist

,
Adj.
Antagonistic; opposing; counteracting;
as,
antagonist
schools of philosophy
.

Webster 1828 Edition

Antagonist

ANTAG'ONIST

,
Noun.
[Gr. against, and a champion. See Act and Agony.]
1.
One who contends with another in combat; used primarily in the Grecian games. An adversary.
2.
An opponent in controversy.
3.
In anatomy, a muscle which acts in opposition to another; as a flexor, which bends a part, is the antagonist of an extensor, which extends it.

ANTAG'ONIST

,
Adj.
Counteracting; opposing; combating; as, an antagonist muscle.

Definition 2024

Antagonist

Antagonist

See also: antagonist

German

Noun

Antagonist m ‎(genitive Antagonisten, plural Antagonisten, feminine Antagonistin)

  1. antagonist (all senses)
  2. adversary

Declension

antagonist

antagonist

See also: Antagonist

English

Noun

antagonist ‎(plural antagonists)

  1. An opponent or enemy.
    • Milton
      antagonist of Heaven's Almighty King
    • Hooker
      our antagonists in these controversies
  2. One who antagonizes or stirs.
  3. (biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
    • 2001: The calcium antagonists represent one of the top ten classes of prescription drugs in terms of commercial value, with worldwide sales of nearly $10 billion in 1999. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 41)
  4. The main character or force opposing the protagonist in a literary work or drama.
  5. (anatomy) A muscle that acts in opposition to another.
    A flexor, which bends a part, is the antagonist of an extensor, which extends it.

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