HEFTY

adj. 1 big, large, bulky, cumbersome, awkward, unwieldy, clumsy, substantial, massive That's a pretty hefty box for one person to carry 2 brawny, strong, powerful, burly, muscular, strapping, rugged, robust, Colloq husky, beefy That hefty man over there is the Olympic weight-lifting champion 3 substantial, considerable, sizeable, impressive, enormous, huge, Colloq thumping or Brit socking great I've just received a hefty increase in salary