big boy

one of high position or importance within a group when she became the network's White House correspondent, she knew that she was now playing with the big boys Synonyms big, big shot, big cheese, bigfoot, biggie, big gun, big leaguer, big-timer, big wheel, bigwig, fat cat, heavy, heavy hitter, heavyweight, high-muck-a-muck (or high-muckety-muck), honcho, kahuna, kingfish, kingpin, major leaguer, muckety-muck (also muck-a-muck or mucky-muck), nabob, nawab, nibs, nob [chiefly British], pooh-bah (also poo-bah), wheelRelated Words baron, czar (also tsar or tzar), king, lion, magnate, mogul, prince, tycoon; VIPNear Antonyms inferior, subordinate, underling; mediocrity, obscurityAntonyms lightweight, nobody, nonentity, nothing, shrimp, twerp, whippersnapper, zero, zilch