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

The rigid roof panel helps attenuate the little engine’s effortful ringadingding, which loses its charm after hour four or so.

From The Wall Street Journal • May 23, 2026

Rhodes, 63, founded Sun Space in 2017 as a performance art venue for wayward artists who don’t properly fit the rigid mold of the Los Angeles club and bar circuit.

From Los Angeles Times • May 18, 2026

The cooperation between our human ancestors may have been more flexible, without rigid rules about who was allowed to reproduce.

From Slate • May 10, 2026

Every day, from dawn until midnight, the boys underwent a rigid routine that consisted of calisthenics, rifle practice, and fire-coordination drills.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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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