stringent

adjective

strin·​gent ˈstrin-jənt 

1

: tight, constricted

2

: marked by rigor, strictness, or severity especially with regard to rule or standard

stringent decontamination procedures

3

: marked by money scarcity and credit strictness

a stringent budget

stringently adverb

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How Should You Use stringent?

Words that are synonymous with stringent include rigid, which implies uncompromising inflexibility ("rigid rules of conduct"), and rigorous, which suggests hardship and difficulty ("the rigorous training of firefighters"). Also closely related is strict, which emphasizes undeviating conformity to rules, standards, or requirements ("strict enforcement of the law"). Stringent usually involves severe, tight restrictions or limitations ("the college has stringent admissions rules"). That's logical. After all, rigorous and rigid are both derived from rigēre, the Latin word meaning "to be stiff," and stringent and strict developed from the Latin verb stringere, meaning "to bind tight."

Synonyms of stringent

• strict
• rigorous

Choose the Right Synonym for stringent

rigid, rigorous, strict, stringent mean extremely severe or stern.

rigid implies uncompromising inflexibility.

rigid rules of conduct

rigorous implies the imposition of hardship and difficulty.

the rigorous training of recruits

strict emphasizes undeviating conformity to rules, standards, or requirements.

strict enforcement of the law

stringent suggests severe, tight restriction or limitation.

stringent standards of admission

Examples of stringent in a Sentence

stringent rules against unauthorized persons being in the building

Recent Examples on the Web

Several other African leaders, particularly in countries with less stringent data protection laws, are unlikely to face meaningful pushback despite widespread criticism of the agreements from across the continent. —Martin K.n Siele, semafor.com, 19 Dec. 2025

High-rise condos built after 1994 generally meet stringent post-Andrew building codes. —Allison Palmer, Miami Herald, 17 Dec. 2025

France represents a particularly complex market for Netflix, where stringent windowing regulations require the streamer to wait 15 months after theatrical releases before offering films on its platform. —Naman Ramachandran, Variety, 16 Dec. 2025

While antisemitic incidents had been on the rise in Australia, survivors say that an attack of this scale was largely unfathomable, given the stringent gun control laws in Australia. —Sara James, NBC news, 16 Dec. 2025

Word History

Etymology

Latin stringent-, stringens, present participle of stringere

First Known Use

1736, in the meaning defined at sense 1

Rhymes for stringent

• astringent
• contingent
• birefringent

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Kids Definition

stringent

adjective

strin·​gent ˈstrin-jənt 

1

: tying, drawing, or pressing tight

2

: strict in setting standards or following rules

stringent training

stringently adverb