RIGID Synonyms: 187 Similar and Opposite Words

Q: How is the word 'rigid' distinct from other similar adjectives?

Some common synonyms of rigid are rigorous , strict , and stringent . While all these words mean "extremely severe or stern," rigid implies uncompromising inflexibility. // rigid rules of conduct

Q: When would 'rigorous' be a good substitute for 'rigid'?

The synonyms rigorous and rigid are sometimes interchangeable, but rigorous implies the imposition of hardship and difficulty. // the rigorous training of recruits

Q: When might 'strict' be a better fit than 'rigid'?

The words strict and rigid can be used in similar contexts, but strict emphasizes undeviating conformity to rules, standards, or requirements. // strict enforcement of the law

Q: When could 'stringent' be used to replace 'rigid'?

Although the words stringent and rigid have much in common, stringent suggests severe, tight restriction or limitation. // stringent standards of admission

rigid

adjective

ˈri-jəd

Definition of rigid next

as in strict

not allowing for any exceptions or loosening of standards rigid enforcement of drug laws

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in tough

given to exacting standards of discipline and self-restraint a rigid man who cannot seem to relax

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as in hard

having a consistency that does not easily yield to pressure rigid steel bars that should be able to hold the weight

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as in stiff

incapable of or highly resistant to bending corsets, those rigid undergarments for women, must have been murder to wear

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as in tight

stretched with little or no give make sure that the clothesline is rigid so that the longer garments don't drag on the ground

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Antonyms & Near Antonyms

Synonym Chooser

How is the word rigid distinct from other similar adjectives?

Some common synonyms of rigid are rigorous, strict, and stringent. While all these words mean "extremely severe or stern," rigid implies uncompromising inflexibility.

rigid rules of conduct

When would rigorous be a good substitute for rigid?

The synonyms rigorous and rigid are sometimes interchangeable, but rigorous implies the imposition of hardship and difficulty.

the rigorous training of recruits

When might strict be a better fit than rigid?

The words strict and rigid can be used in similar contexts, but strict emphasizes undeviating conformity to rules, standards, or requirements.

strict enforcement of the law

When could stringent be used to replace rigid?

Although the words stringent and rigid have much in common, stringent suggests severe, tight restriction or limitation.

stringent standards of admission

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of rigid The polarizing silhouette—the love child of loungewear and baggy jeans—marries the rigid structure of classic denim with the adjustable drawstring of cozy pants. —

India Roby, Glamour, 18 Mar. 2026 Set during the Song Dynasty, the film stars Liu Fengchao as Xue Buyi, a disciplined but rigid constable who becomes the target of a conspiracy after being framed for a robbery. —

Faye Bradley, Variety, 18 Mar. 2026 Without a rigid crystal structure getting in the way, the magnetic domains can reorient much more freely when the magnetic field changes. —

Etiido Uko march 17, New Atlas, 17 Mar. 2026 Private utilities, meanwhile, have to follow a more rigid procurement process overseen by PURA, for much larger quantities of power. —

John Moritz, Hartford Courant, 17 Mar. 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

Russia will build two VVER-1200 reactors, Rosatom’s most successful export model, which also complies with the strictest international requirements, at the site.

— Ameya Paleja, Interesting Engineering, 24 Mar. 2026
Most of the neighborhood bread kiosks that are still standing remain open, but there are strict limits on the amount individuals can purchase.

— Jason Rezaian, New Yorker, 24 Mar. 2026