Is Antagonist an Adjective

acting in opposition; opposing, especially mutually. hostile; unfriendly.

What part of speech is protagonist?

The main character in a literary work or drama.

What what does antagonist mean?

Full Definition of antagonist 1 : one that contends with or opposes another : adversary, opponent political antagonists. 2 : an agent of physiological antagonism: such as. a : a muscle that contracts with and limits the action of an agonist with which it is paired.