One who antagonizes or stirs.
An opponent or enemy.
A muscle that acts in opposition to another.
A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
The main character or force opposing the protagonist in a literary work or drama.
A revolutionist; a person who revolts.
Of or pertaining to a revolution in government; tending to, or promoting, revolution
pertaining to something that portends of great change; overthrowing a standing mindset
pertaining to something that revolves