[{"word":"step-up","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"(exercise) A workout movement wherein one leg stands on an elevated surface and lifts in the concentric part the rest of the body up onto it to target – depending on angle and starting distance of the other leg and weights applied by the arms – the femoral and gluteal muscles variously.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"That increases in stages.","synonyms":[],"antonyms":[]},{"definition":"(of a transformer etc) That increases a voltage.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["step-down"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/step-up"]}]