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

as in strict

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

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in tough

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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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Antonyms & Near Antonyms

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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Antonyms & Near Antonyms

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

Synonyms & Similar Words

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 downsides of private student loans include higher interest rates and fees, fewer opportunities for loan forgiveness and more rigid repayment terms than federal loans. — Amy Deyoung, USA Today, 22 Aug. 2026 As for those white jeans, pick up this rigid style that adds structure and a high waist, great for tucking in tops. — Shea Simmons, PEOPLE, 21 Aug. 2026 Yet the virus spread undetected for a month because researchers were unable to get permission from a rigid bureaucracy to test the swabs that would have helped identify it. — Jennifer Pahlka, Foreign Affairs, 18 Aug. 2026 Afrikaners were the primary architects of apartheid, a rigid system of racial segregation that lasted from 1948 to 1994. — Shalina Chatlani, Baltimore Sun, 18 Aug. 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

Legitimate alcohol manufacturers use strict quality controls, and all their products undergo extensive testing, which is expensive and takes quite a bit of time.

— Maryna Holovnova, New Atlas, 31 Aug. 2026
California has strict laws aimed at preventing collisions between cars and bikes.

— Sacbee.com, Sacbee.com, 31 Aug. 2026

Definition of strict

Adjective

The war, and in particular Iran’s direct targeting of the Gulf, makes this approach a tough pill to swallow.

— Dina Esfandiary, Foreign Affairs, 27 Aug. 2026
The conversation shifted from tougher ordinances toward resource allocation and investing in third spaces, which are places outside of work, school or home.

— Charlotte Observer, Charlotte Observer, 27 Aug. 2026

Definition of tough

Adjective

Schmidt, who hasn’t pitched in a big league game since July 3 of last year, can’t wait to face stiffer competition out of the Yankees’ bullpen before the season ends.

— Gary Phillips, New York Daily News, 25 Aug. 2026
Meet Shape Set—Olaplex’s answer to crunchy, stiff formulas of years past.

— Conçetta Ciarlo, Vogue, 24 Aug. 2026

Definition of stiff

Adjective

Dow stood with three tattooed and shirtless jumpers, weaving white paracord through hooks in the canvas and cinching it tight.

— M. R. O’Connor, New Yorker, 31 Aug. 2026
Given the tight timeframe before the election, Sher is seeking both temporary relief and an interim injunction in the petition to ensure eligible citizens are not disenfranchised while bureaucratic procedures are reviewed.

— Natasha Mozgovaya, Sun Sentinel, 31 Aug. 2026

Definition of tight

Adjective

Every personal finance review is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of home loan products.

— Kelsey Neubauer, CNBC, 28 Aug. 2026
But alongside serious thinkers such as Rankine, Ta-Nehisi Coates, and Saidiya Hartman, less rigorous writers and ideas were also elevated.

— Charles Finch, The Atlantic, 28 Aug. 2026

Definition of rigorous

Adjective

A good number of them also have authoritarian governments, raising questions about the lack of accountability and due process to ensure the protection of the deportees’ rights.

— Mark Banchereau, Los Angeles Times, 21 Aug. 2026
The Gwangju Biennale was founded in 1994 to commemorate the 1980 Gwangju Uprising, during which hundreds of civilians were killed during a protest against the authoritarian military government’s brutal crackdown on civil rights.

— Vivienne Chow, ARTnews.com, 20 Aug. 2026

Definition of authoritarian

Adjective

Made with solid brush fibers, the applicator combs and controls the placement of the product so the finish is clump-free.

— Kaleigh Werner, Footwear News, 28 Aug. 2026
Minasian didn’t deny that there have been problems in the ninth inning, and his larger point was that the Giants have solid relievers who can be part of a good bullpen.

— Justice delos Santos, Mercury News, 28 Aug. 2026

Definition of solid

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“Rigid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigid. Accessed 1 Sep. 2026.

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Synonyms of rigid

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