Dictionary
heft•y
Pronunciation: (hef'tē), [key]—
adj., heft•i•er, heft•i•est.
1. heavy; weighty:
a hefty book.
2. big and strong; powerful; muscular:
a hefty athlete.
3. impressively large or substantial:
a hefty increase in salary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.