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

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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

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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 Madewell’s The ‘90s Straight Jeans put a modern twist on a vintage classic, with rigid cotton and a slim leg. — Irene Richardson, InStyle, 17 Sep. 2026 The maritime industry is under pressure to clean up its act, giving rise to everything from high-tech rigid wing sails to pioneering zero-emission designs like the Yara Birkeland all-electric autonomous cargo vessel. — New Atlas, 16 Sep. 2026 For Hayley and Tyler, their grandmothers’ willingness to join in carried another layer of meaning because the women grew up in a generation with more rigid ideas about weddings. — Ashley Vega, PEOPLE, 15 Sep. 2026 The images were sent to CBS News by active service members on condition of anonymity because of rigid media restrictions within the military. — Jonah Kaplan, CBS News, 15 Sep. 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

Despite the massive guest list, Strahan shared on Good Morning America on July 6 that the ceremony still felt intimate because of the couple’s strict no-phones policy.

— Ashlyn Robinette, PEOPLE, 19 Sep. 2026
Martinessi’s sophomore feature is set in 1959, where the charismatic titular performer returns to Buenos Aires at the height of a strict military regime.

— Callum McLennan, Variety, 18 Sep. 2026

Definition of strict

Adjective

Because of the heat wave's dramatic effect on everyday life, Paris became a tough place to walk around in the sunshine.

— ABC News, ABC News, 15 Sep. 2026
But Chipotle has been in a tough spot since Niccol departed in 2024, and even as Boatwright’s plan shows signs of momentum (same-store sales have begun to tick back up again), there are open questions about Chipotle’s strategic direction.

— Rohan Goswami, semafor.com, 15 Sep. 2026

Definition of tough

Adjective

After a Duncanville three-and-out, North Crowley quarterback Jacob Torres threw downfield to Mays, who made a catch through stiff coverage, barely staying in bounds for a 20-yard score.

— Charles Baggarly, Fort Worth Star-Telegram, 19 Sep. 2026
President Joe Biden’s administration shows that attempts to turn the page on fascist criminality without imposing stiff legal consequences will only result in the far right coming back stronger and more radicalized.

— Voice of the People, New York Daily News, 18 Sep. 2026

Definition of stiff

Adjective

But she is locked in a tight race against Tejano musician Bobby Pulido.

— Hailey Bullis, The Washington Examiner, 19 Sep. 2026
Over a tight five-day timeline — as Marnus and Ilse finish school ahead of the December holidays, and the family prepares for their summer vacation — these various tensions impact one another in tacit but perhaps terminal ways.

— Guy Lodge, Variety, 19 Sep. 2026

Definition of tight

Adjective

To classify a new fiber, the FTC requires its makers to demonstrate that the material is fundamentally different from existing fibers, established through a rigorous regulatory review.

— Jennifer Bringle, Footwear News, 15 Sep. 2026
Success in the exam, one of the most rigorous standardized tests in the world, allows students to study at Korea’s top universities.

— Lim Hui Jie,Miko Jang, CNBC, 15 Sep. 2026

Definition of rigorous

Adjective

The Bulwark founder on how to build a coalition durable enough to defeat authoritarian populism.

— Los Angeles Times, Los Angeles Times, 16 Sep. 2026
On the one hand, the film pays witness to all the authoritarian insanity unfolding at state houses around the country.

— Brittany Allen, Literary Hub, 16 Sep. 2026

Definition of authoritarian

Adjective

Oriahi has a solid handle on all craft aspects, though only the costumes by Yolanda Okereke are particularly distinguishable — her color stories popping in almost every scene.

— Murtada Elfadl, Variety, 16 Sep. 2026
Multiple team members held solid relationships with their wholesalers, and his systems ran the operation whether Bruno was on-site or traveling.

— Jason Sisneros, Forbes.com, 16 Sep. 2026

Definition of solid

Cite this Entry

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“Rigid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigid. Accessed 22 Sep. 2026.

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Synonyms of rigid

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