[adjective] (of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms" Synonyms:brawny, muscular, powerful, sinewy
[adjective] of considerable weight and size; "a hefty dictionary"
[adjective] 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" Synonyms:goodly, goodish, respectable, sizable, sizeable, tidy