- 1(of a person or an object) big and heavy Her brothers were both hefty men in their forties.
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- 2(of an amount of money) large; larger than usual or expected They sold it easily and made a hefty profit. Interest rates have gone up to a hefty 12%.
- 3using a lot of force He gave the door a hefty kick.
NAmE//ˈhɛftəli//
adverbSee hefty in the Oxford Advanced Learner's DictionaryCheck pronunciation: hefty