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 Fatherland, so secure in its rigid borders, is a cold, cold place. — Stephanie Zacharek, Time, 23 Oct. 2026 Once there, the two join forces with Trapper John McIntrye (Elliott Gould) and set about questioning any rigid army regulation that stands in the way of their drinking and womanizing. — Chris Koseluk, HollywoodReporter, 22 Oct. 2026 The color stories were supported by the mill’s breakthrough technology, True Fit, which provides structural memory to rigid and low-stretch fabrics. — Angela Velasquez, Footwear News, 21 Oct. 2026 Theater Alliance, known for staging socially conscious plays, and In Series, which breaks down the rigid traditions of opera, will trade off shows in the black box (alternating who gets it for holidays, for example). — Rudi Greenberg, Washington Post, 21 Oct. 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

Catholics have used Scripture to argue for and against deportations and strict immigration enforcement.

— Andrew J. Campa, Los Angeles Times, 25 Oct. 2026
But the country also has strict rules governing how minors should be treated during a criminal investigation.

— Hanako Montgomery, CNN Money, 24 Oct. 2026

Definition of strict

Adjective

In a century where the lives of billions are defined by chronic disease, demographic change, and digital systems, China has become one of the central proving grounds for some of the hardest issues in global health.

— Ruby Wang, semafor.com, 27 Oct. 2026
Next year's public spending review — when the government sets future budgets for departments and public services — could be even harder for lawmakers who appear averse to any cuts.

— Ian King, CNBC, 27 Oct. 2026

Definition of hard

Adjective

When the replacement arrived, the new cotton felt stiff, less breathable, and one side seam veered off at an angle, pulling the fabric awkwardly around my body.

— Allison Morrow, CNN Money, 24 Oct. 2026
In the hills surrounding Taiz, the government forces are trying to repel the Houthis but face stiff resistance, especially east of the city.

— ABC News, ABC News, 24 Oct. 2026

Definition of stiff

Adjective

Opinion polls predict tight race Domestically, Vucic has pledged higher pensions and public sector salaries, investment in state healthcare and subsidies for young couples.

— Reuters, NBC news, 25 Oct. 2026
Both parties expect whoever wins in November to do so by a tight margin in a state of 738,000 people.

— Arkansas Online, Arkansas Online, 24 Oct. 2026

Definition of tight

Adjective

Like SpaceX and Tesla CEO Elon Musk, many founders in tech have moonshot performance pay packages, in which rigorous stock price growth is tied to massive pay hurdles.

— Amanda Gerut, Fortune, 21 Oct. 2026
Every travel story is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of travel products.

— Liz Knueven, CNBC, 21 Oct. 2026

Definition of rigorous

Adjective

The case centers on the Cuban government shooting down two Brothers to the Rescue flights, a civilian rescue group dedicated to saving refugees fleeing the authoritarian Castro regime — then run by Raul Castro’s older brother Fidel.

— Liv Caputo Herald, Miami Herald, 19 Oct. 2026
The former authoritarian president is eyeing a return as prime minister after the Sunday vote.

— Teresa Medrano, Los Angeles Times, 19 Oct. 2026

Definition of authoritarian

Adjective

From Traditional Craftsmanship to Modern EDC Design The body of Bronze Blossom is crafted from solid bronze, a material known for its durability, warm appearance, and ability to develop a unique patina over time.

— New Atlas, New Atlas, 21 Oct. 2026
Capital One is finally getting credit for a solid quarter, but the debate surrounding the credit card giant's stock is far from settled.

— Alexa LoMonaco, CNBC, 21 Oct. 2026

Definition of solid

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“Rigid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigid. Accessed 28 Oct. 2026.

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Synonyms of rigid

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