heftily

adjective, 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.

adjective heftier or heftiest informal

1. big and strong
2. characterized by vigour or forcea hefty blow
3. large, bulky, or heavy
4. sizable; involving a large amount of moneya hefty bill; a hefty wage