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.

You take the one-off tax hit, which can be hefty, but thereafter you can painlessly do a backdoor Roth each year with no further complications.

From MarketWatch • Apr. 9, 2026

Ads show some shipowners offering hefty raises for seafarers willing to pass through the Strait of Hormuz, with captains earning over $26,000 monthly.

From The Wall Street Journal • Apr. 5, 2026

For investors, that makes utility stocks, with their steady earnings and hefty yields, an attractive bet.

From Barron's • Apr. 2, 2026

Tickets for adults were hefty, ranging from $69 for a day pass to $449 for a 3-day VIP experience.

From Los Angeles Times • Apr. 1, 2026

The silence was heavy while Rishi stood and left a hefty tip on the table so they wouldn’t have to.

From "When Dimple Met Rishi" by Sandhya Menon

Vocabulary lists containing hefty

The Wednesday Wars

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The Omnivore's Dilemma

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Hello, Universe

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!