antagonist

BrE /ˈæntəɡənɪst/ AmE /ˈæntəɡənɪst/

noun en → es

1 OPPONENT [singular] B2

a person who opposes or competes against another in a conflict, contest, etc.

antagonista, oponente

Collocations main antagonist

  • The main antagonist in the story is a corrupt politician.

    El antagonista principal en la historia es un político corrupto.

2 CHEMISTRY [singular] C1

a substance that reacts with another substance to form a chemical compound or neutralize it.

antagonista (químico)

Collocations chemical antagonist

  • The drug acts as a chemical antagonist to the neurotransmitter.

    La droga actúa como un antagonista químico de la neurotransmisora.