English Dictionary

antagonist

/ænˈtæɡənɪst/

noun

An opponent or enemy. / One who antagonizes or stirs. / (biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.

The antagonist in the story is a cunning and manipulative character.

意味（1）

An opponent or enemy.

our antagonists in these controversies

意味（2）

One who antagonizes or stirs.

意味（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)

意味（4）

(authorship) The main character or force opposing the protagonist in a literary work or drama.

意味（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.