definition of
hefty

[1] #1 hefty s. [brawny, muscular, powerful, sinewy] (of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms". wn

[2] #2 hefty s. of considerable weight and size; "a hefty dictionary". wn

[3] #3 hefty s. [goodly, goodish, healthy, respectable, sizable, sizeable, tidy] large in amount or extent or degree; "it cost a considerable amount"; "a goodly amount"; "received a hefty bonus"; "a respectable sum"; "a tidy sum of money"; "a sizable fortune". wn