[{"word":"anaphylaxis","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Extreme sensitivity to a substance such as a foreign protein or drug.","synonyms":[],"antonyms":[]},{"definition":"A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/anaphylaxis"]}]