Adjective
1. (of a person) possessing physical strength and weight; rugged and powerful;
"a hefty athlete""a muscular boxer""powerful arms"2. of considerable weight and size;
"a hefty dictionary"3. 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"