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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.

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

By claiming to believe in demons, the vice president is leeching onto another youth trend, and probably getting a hefty boost in social media algorithms for it.

From Salon • Apr. 1, 2026

The announcement contributes to continued hefty spending on AI hardware.

From Barron's • Mar. 30, 2026

A friend told him that there are attorneys in Florida who, for a hefty fee, can “find a way” for someone to keep their assets and still qualify for Medicaid.

From MarketWatch • Mar. 26, 2026

They probably weren’t carrying hefty cans of chili.

From "The Wednesday Wars" by Gary D. Schmidt

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.