[{"word":"antagonist","phonetic":"/ænˈtæɡənɪst/","phonetics":[{"text":"/ænˈtæɡənɪst/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/antagonist-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=2049047","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An opponent or enemy.","synonyms":[],"antonyms":[]},{"definition":"One who antagonizes or stirs.","synonyms":[],"antonyms":[]},{"definition":"A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.","synonyms":[],"antonyms":[],"example":"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)"},{"definition":"(authorship) The main character or force opposing the protagonist in a literary work or drama.","synonyms":[],"antonyms":[]},{"definition":"A muscle that acts in opposition to another.","synonyms":[],"antonyms":[],"example":"A flexor, which bends a part, is the antagonist of an extensor, which extends it."}],"synonyms":[],"antonyms":["agonist","protagonist"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/antagonist"]}]