Definitions

hefty

[hef-tee] / ˈhɛf ti /

ADJECTIVE

big, bulky

Synonyms

STRONGEST

colossal fat heavy large massive robust sizable substantial tremendous weighty

WEAK

ample awkward beefy brawny burly cumbersome extensive forceful hulking husky large-scale major muscular ponderous powerful strapping strong sturdy thumping unwieldy vigorous

Antonyms

STRONGEST

easy impoverished inconsequential insignificant light little miniature poor slight small thin tiny trivial unimportant unsubstantial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Canada maintains tariffs on American-made steel, aluminum and automobiles, in response to hefty U.S. duties on those foreign-made goods.

From The Wall Street Journal • Jun. 9, 2026

The increase was driven by hefty gains in the construction, chemicals and metal products industries but the struggling auto sector suffered an almost five percent drop.

From Barron's • Jun. 9, 2026

It also amounts to a hefty one-off tax burden.

From MarketWatch • Jun. 5, 2026

Prom can come with a hefty price tag for many teenagers preparing to say goodbye to their friends and teachers.

From BBC • Jun. 4, 2026

That’s a hefty price compared to the same meal from the industrial food chain.

From "The Omnivore's Dilemma" by Michael Pollan

Vocabulary lists containing hefty

The Omnivore's Dilemma

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The Wednesday Wars

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Hello, Universe

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