Read the dictionary definition of hefty. All definitions for this word.
1. large in amount or extent or degree
1. it cost a considerable amount
2. a goodly amount
3. received a hefty bonus
4. a respectable sum
5. a tidy sum of money
6. a sizable fortune
2. of considerable weight and size
1. a hefty dictionary
3. (of a person) possessing physical strength and weight; rugged and powerful
1. a hefty athlete
2. a muscular boxer
3. powerful arms