Synonyms of tenuous

tenuous

adjective

as in fragile

lacking strength, permanence, or resilience

The countries formed a tenuous political alliance.

The moon has a tenuous atmosphere that frequently fluctuates in thickness.

Related Words

• fragile
• slight
• delicate
• flimsy
• weak
• shaky
• insubstantial
• unsubstantial
• frail
• fine
• breakable
• uncertain
• dubious
• soft
• feeble
• problematic
• questionable
• frangible
• doubtful
• suspicious
• eggshell
• dainty
• suspect
• gossamer
• shady
• dodgy
• dubitable
• doubtable

Dissimilar Words

• substantial
• solid
• hard
• rigid
• unyielding
• firm
• elastic
• flexible
• resilient
• strong
• stretch
• rubbery
• springy
• supple
• tough
• sturdy
• unbreakable
• rubberlike
• stretchable
• infrangible
• nonbreakable

Synonym Chooser

How does the adjective tenuous contrast with its synonyms?

Some common synonyms of tenuous are slender, slight, slim, and thin. While all these words mean "not thick, broad, abundant, or dense," tenuous implies extreme thinness, sheerness, or lack of substance and firmness.

a tenuous thread

Where would slender be a reasonable alternative to tenuous?

The meanings of slender and tenuous largely overlap; however, slender implies leanness or spareness often with grace and good proportion.

the slender legs of a Sheraton chair

When could slight be used to replace tenuous?

While in some cases nearly identical to tenuous, slight implies smallness as well as thinness.

a slight build

When is slim a more appropriate choice than tenuous?

The synonyms slim and tenuous are sometimes interchangeable, but slim applies to slenderness that suggests fragility or scantiness.

a slim volume of poetry

a slim chance

In what contexts can thin take the place of tenuous?

The words thin and tenuous are synonyms, but do differ in nuance. Specifically, 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

Example Sentences

Recent Examples of tenuous

Plus, the returns from global expansion have been limited and tenuous. —Adam Minter, Twin Cities, 4 Jan. 2026

Then there's false starts on peace attempts in Ukraine and a tenuous ceasefire in the Middle East. —Domenico Montanaro, NPR, 3 Jan. 2026

Together, the orbiters will investigate Mercury's composition, geology, tenuous exosphere and magnetic field, helping scientists understand how the planet formed and evolved so close to the sun. —Samantha Mathewson, Space.com, 1 Jan. 2026

In 2021, he was granted British citizenship through a somewhat tenuous connection—his mother, Laila, had been born in London while her mother was studying in the United Kingdom—which gave the British government greater standing to lobby Cairo on his behalf. —Helen Lewis, The Atlantic, 30 Dec. 2025