tenuous

adjective

ten·​u·​ous ˈten-yə-wəs 

-yü-əs

1

a

: having little substance or strength : flimsy, weak

tenuous influences

b

: shaky sense 2a

tenuous reasons

2

: not thick : slender

a tenuous rope

3

: not dense : rare

a tenuous fluid

tenuously adverb

tenuousness noun

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What is the Definition of tenuous?

Something tenuous has been stretched thin and might break at any time. A person with a tenuous hold on his sanity should be watched carefully. If a business is only tenuously surviving, it will probably go bankrupt in the next recession. If there seems to be only a tenuous connection between two crimes, it means the investigators have more work to do.

Choose the Right Synonym for tenuous

thin, slender, slim, slight, tenuous mean not thick, broad, abundant, or dense.

thin implies comparatively little extension between surfaces or in diameter, or it may imply lack of substance, richness, or abundance.

thin wire

a thin soup

slender implies leanness or spareness often with grace and good proportion.

the slender legs of a Sheraton chair

slim applies to slenderness that suggests fragility or scantiness.

a slim volume of poetry

a slim chance

slight implies smallness as well as thinness.

a slight build

tenuous implies extreme thinness, sheerness, or lack of substance and firmness.

a tenuous thread

Examples of tenuous in a Sentence

What is also true is that they, and I, were lucky, through genes or fate, to surge through the maelstrom of dashed hope and denied opportunity to grasp a tenuous piece of the American Dream. —Anthony Walton, Lure and Loathing, 1993

After the end of the crusading period, however relations between East and West had grown tenuous … —Albert Hourani, Islam in European Thought, 1991

The authors follow researchers as they use the slimmest leads and the most tenuous connections to track the genes for Huntington's disease, muscular dystrophy, schizophrenia and a host of other physical and mental miseries. —Natalie Angier, New York Times Book Review, 12 Aug. 1990

He has a tenuous grasp on reality.

The local theater has had a tenuous existence in recent years.

He could demonstrate only a tenuous claim to ownership.

Recent Examples on the Web

Lebanon's health ministry said Israeli strikes on the country's south killed 14 people on Sunday alone, the deadliest day since the tenuous truce came into force. —April 27, CBS News, 27 Apr. 2026

For the workers, occupying a tenuous legal status can be worth it to be able to support their families, send their children to stronger schools and earn wages on a different scale than in their home countries. —Theia Chatelle, Sun Sentinel, 27 Apr. 2026

The double blockade actually creates a pretty tenuous situation because every interdiction, every warning shot, every seizure of vessels, could become a trigger for a wider relapse into conflict. —Isaac Chotiner, New Yorker, 27 Apr. 2026

Despite a tenuous ceasefire, the Strait of Hormuz remains effectively closed. —ABC News, 27 Apr. 2026

Word History

Etymology

Latin tenuis "fine-drawn, thin, narrow, slight" + -ous — more at thin entry 1

First Known Use

1597, in the meaning defined at sense 3

Kids Definition

tenuous

adjective

ten·​u·​ous ˈten-yə-wəs 

: having little substance or strength : flimsy, weak

a tenuous hold on reality

tenuously adverb