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

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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 Silicon-photonics chips can move data using light instead of electrical signals, but conventional versions are rigid and opaque. — Neetika Walter, Interesting Engineering, 3 Sep. 2026 The process eliminates the water-slurry stage and associated drying steps, allowing fibers to form directly into rigid packaging, including trays, bowls, plates and beverage lids. — Alexandra Harrell, Footwear News, 3 Sep. 2026 Additionally, rigid systems penalize career reinvention or past departures, and fail to create pathways for skilled former employees to return. — Sheila Callaham, Forbes.com, 29 Aug. 2026 Although the buying process is straightforward, oversight remains rigid. — Miami Herald, 28 Aug. 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

The idea that stricter work-search requirements will lead to faster re-employment simply doesn't match the reality of modern hiring.

— Arkansas Online, Arkansas Online, 8 Sep. 2026
They were built before 1976, when the federal government enacted stricter building codes for such homes, requiring things like safer wiring and better insulation.

— Alejandra Borunda, NPR, 7 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

George, who is second in line to the British throne, arrived in a jacket, shirt and tie and dark trousers but soon changed into the school’s uniform of a black tailcoat, waistcoat and pinstriped trousers, with a stiff white collar.

— Lauren Said-Moorhouse, CNN Money, 8 Sep. 2026
The winger and Nigerian international will face stiff competition once Kaoru Mitoma and Yankuba Minteh return from their respective hamstring and ankle injuries.

— Andy Naylor, New York Times, 7 Sep. 2026

Definition of stiff

Adjective

Kevin Jairaj / Imagn Images During an early August practice, Hurts was unusually expressive after completing a deep pass down the middle to Elijah Moore in tight coverage.

— Brooks Kubena, New York Times, 8 Sep. 2026
Room for Disagreement Some Democrats were worried less about their individual candidates or the DCCC’s ability to compete, and more about the Democratic National Committee’s ability to help candidates in tight raises.

— Nicholas Wu, semafor.com, 8 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 19 Sep. 2026.

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Synonyms of rigid

adjective

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