[{"word":"lifespan","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The length of time for which an organism lives.","synonyms":[],"antonyms":[],"example":"Some clams have lifespans far longer than those of human beings."},{"definition":"(by extension) The length of time for which something exists or is current or valid.","synonyms":[],"antonyms":[]}],"synonyms":["lifetime"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/lifespan"]}]