dinosaur

1 one that has passed the peak of effectiveness or popularity as an old-time big-city boss, he's become something of a dinosaur in today's political world Synonyms of dinosaur has-been, relicWords Related to dinosaur dodo, fogy (also fogey), fossil, old-timer; fuddy-duddy, mossback, stick-in-the-mud, stodge [British], troglodyte; throwbackNear Antonyms of dinosaur comer, rising star, up-and-comer

2 something or someone that is unusually large and powerful not that his small lawn needed such a dinosaur, but he bought a riding mower anyway Synonyms of dinosaur behemoth, blockbuster, colossus, giant, dreadnought, elephant, Goliath, jumbo, leviathan, mammoth, mastodon, monster, titan, whale, whopperWords Related to dinosaur amazon, giantess; bulk, hulk; heavyweight; juggernaut, steamrollerNear Antonyms of dinosaur lightweight, weakling, wimp, wisp; nonentity, twerp, whippersnapperAntonyms of dinosaur diminutive, dwarf, half-pint, midget, mite, peewee, pygmy (also pigmy), runt, shrimp