[{"word":"rarefy","phonetics":[],"meanings":[{"partOfSpeech":"verb","definitions":[{"definition":"To make rare, thin, porous, or less dense","synonyms":[],"antonyms":[]},{"definition":"To expand or enlarge without adding any new portion of matter to.","synonyms":[],"antonyms":[]}],"synonyms":["stretch"],"antonyms":["condense"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/rarefy"]}]