rigid

[rij-id] / ˈrɪdʒ ɪd /

ADJECTIVE

stiff, strict, severe

Synonyms

STRONGEST

adamant austere definite exact fixed hard-line harsh inflexible intransigent rigorous solid stern stringent uncompromising unyielding

WEAK

adamantine bullheaded changeless chiseled dead set determined firm hard incompliant inelastic inexorable invariable locked-in obdurate set set in stone single-minded static strait-laced unalterable unbending unbreakable unchanging undeviating unmoving unpermissive unrelenting

Antonyms

STRONGEST

broken easy flexible gentle imprecise indefinite inexact irresolute lenient mild pliant soft tolerant unfixed unreliable willing yielding

WEAK

bending limber pliable

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.

Those species often have more rigid dominance hierarchies and predictable succession systems.

From Science Daily • May 26, 2026

Steel mills are actively maintaining production and rigid demand remains robust, providing solid support for iron ore prices, they note.

From The Wall Street Journal • May 22, 2026

There are rigid rules and nuances when it comes to using a QCD, however, so attention to detail is a must.

From Barron's • May 9, 2026

“Suburban parks assume rigid work-life structure,” she said.

From Los Angeles Times • May 6, 2026

Animals associated with female deities display an even more rigid discipline.

From "History of Art, Volume 1" by H.W. Janson

Vocabulary lists containing rigid

The New SAT: Words to Capture Tone

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The SAT: Words to Capture Tone, List 6

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The Cay

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