[{"word":"imperceptibly","phonetics":[],"meanings":[{"partOfSpeech":"adverb","definitions":[{"definition":"Not noticeably; too small to be detected; too little to be perceived.","synonyms":[],"antonyms":[],"example":"No one noticed that he had moved imperceptibly backwards."}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/imperceptibly"]}]