[{"word":"kingpins","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"(motorized vehicles) The axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.","synonyms":[],"antonyms":[]},{"definition":"The pin at the centre of the triangle of bowling pins (originally the tallest pin in kayles). Sometimes also the headpin at the apex.","synonyms":[],"antonyms":[]},{"definition":"The most important person in an undertaking or organization.","synonyms":[],"antonyms":[]},{"definition":"The bolt holding together the truck of a roller skate or skateboard.","synonyms":[],"antonyms":[]}],"synonyms":["big cheese","big enchilada","big kahuna","big noise","big tamale","big wheel","bigwig","grand poobah","head honcho","muckety muck","top banana","top dog"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/kingpin","https://en.wiktionary.org/wiki/kingpins"]}]