noun🔗ShareAn opponent or enemy."The school bully was the antagonist in many students' lives. "storycharacterpersonliteratureChat with AIVocabulary GamePractice Reading
noun🔗ShareOne who antagonizes or stirs."The school's new principal was the antagonist in the teachers' union's negotiations. "characterpersonstoryChat with AIVocabulary GamePractice Reading
noun🔗ShareA 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)"medicinebiochemistryphysiologybiologysciencecompoundChat with AIVocabulary GamePractice Reading
noun🔗Share(authorship) The main character or force opposing the protagonist in a literary work or drama."In the school play, the antagonist was the jealous classmate who tried to sabotage the protagonist's project. "literaturecharacterstoryChat with AIVocabulary GamePractice Reading
noun🔗ShareA muscle that acts in opposition to another."A flexor, which bends a part, is the antagonist of an extensor, which extends it."physiologyanatomybodyChat with AIVocabulary GamePractice Reading