[{"word":"caustic","phonetic":"/ˈkɒstɪk/","phonetics":[{"text":"/ˈkɒstɪk/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/caustic-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=296183","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.","synonyms":[],"antonyms":[]},{"definition":"The envelope of reflected or refracted rays of light for a given surface or object.","synonyms":[],"antonyms":[]},{"definition":"The envelope of reflected or refracted rays for a given curve.","synonyms":[],"antonyms":[]},{"definition":"Caustic soda.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Capable of burning, corroding or destroying organic tissue.","synonyms":[],"antonyms":[]},{"definition":"(of language, etc.) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.","synonyms":[],"antonyms":[]}],"synonyms":["acidic","biting","burning","corrosive","searing","bitchy","biting","catty","mordacious","nasty","sarcastic","scathing","sharp","spiteful","vitriolic"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/caustic"]}]