Definitions

robust

[roh-buhst, roh-buhst] / roʊˈbʌst, ˈroʊ bʌst /

ADJECTIVE

healthy, strong

Synonyms

STRONGEST

booming hearty hefty potent powerful prosperous sturdy tough vigorous

WEAK

able-bodied athletic boisterous brawny built concentrated fit fit as fiddle flourishing full-bodied hale hardy husky in fine fettle in good health in good shape in the pink live lusty muscular peppy powerhouse prospering roaring robustious robustuous rough rugged sinewy snappy sound stout strapping thriving tiger vital well wicked zappy zippy

Antonyms

STRONGEST

fragile impotent incapable ineffective lethargic small unstable weak wobbly

WEAK

flabby infirm soft unhealthy

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.

Using this system, T. rex ranked as the most robust skull in the study.

From Science Daily • May 20, 2026

CPL says its welfare processes are the "gold standard", Channel 4 says the programme has "robust" welfare systems including background checks, daily check-ins and psychological support.

From BBC • May 20, 2026

The key behind Agilysys’ solid results and big stock move is the robust subscription sales growth, which flies in the face of the broad market sentiment that AI will make software obsolete.

From Barron's • May 19, 2026

Excessive optimism, driven by robust earnings growth, has whipped up investor sentiment to a three-month peak.

From MarketWatch • May 19, 2026

It is because of these robust and growing numbers that hunting has been reintroduced as a way of keeping them from getting out of hand.

From "A Walk in the Woods" by Bill Bryson

Vocabulary lists containing robust

"The Necklace" by Guy de Maupassant

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Born a Crime

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This Week in Words: August 11 - 17, 2018

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