Definition of "hefty" in English

adjective

1. With heft; heavy, strong, vigorous, mighty, impressive

   • He can throw a hefty punch.

2. Strong; bulky.

   • They use some hefty bolts to hold up road signs.

3. (of a person) Possessing physical strength and weight; rugged and powerful; powerfully or heavily built.

   • He was a tall, hefty man.

4. Heavy, weighing a lot.

   • She carries a hefty backpack full of books.

5. (of a number or amount) Large, healthy.

   • That's going to cost you a hefty sum.
   • a hefty fine