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

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

Synonyms & Similar Words

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

Synonyms & Similar Words

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 Jeans, of course, still occupies an important space in most fashion editors' summer wardrobes, though white jeans and light-weight denim make it to the top of the pile while black and gray jeans in more rigid denim are often reserved for nights out at a bar. —

Emily Tannenbaum, Glamour, 6 June 2026 The right-side-up forks were taken from the Royal Enfield Classic 650, while the rear shocks from the Shothun 650 were swapped for rigid struts. —

Utkarsh Sood june 05, New Atlas, 5 June 2026 Grazing-style eating prioritizes function and flexibility over rigid meal structures. —

Lauren Jarvis-Gibson, Charlotte Observer, 4 June 2026 Yet these same trunks are rigid and subject to breakage in a storm. —

Joshua Siskin, Oc Register, 4 June 2026 See All Example Sentences for rigid

Recent Examples of Synonyms for rigid

Adjective

The latest outbreak, driven by the rare Bundibugyo strain, has infected at least 515 people and killed 91, prompting strict limits on public gatherings and enforced social distancing.

— Justin Kabumba, Los Angeles Times, 8 June 2026
Before the Gov Ball sound engineers cut his mic out of respect for the park’s strict curfew and noise ordinance, Pretty Flacko had to take time out to reminisce about his own breakout.

— Rob Kenner, VIBE.com, 8 June 2026