English Reference
Adjective

tenuous

adj.
C1 Advanced US /ˈtɛnjəwəs/ UK /tˈɛnjuːəs/ ten·u·ous

adj.very weak or uncertain. You use this to describe a connection, a reason, or a situation that could easily break or fail.

adj.extremely weak, slender, or slight; lacking a sound basis or substantial connection. Often describes abstract links, arguments, or positions of power.


SIMPLE

The connection between the two events is tenuous.

CONTEXTUAL

The new government held a tenuous grip on power after the narrow election victory.

COMPLEX

The prosecutor's case rested on a tenuous link between the suspect's movements and the digital evidence, which the defence quickly challenged during the trial.

Usage

Commonly used to modify abstract nouns like 'link', 'connection', 'grip', or 'argument'.

The US midterm elections are fast approaching, with the economy front and centre for voters and the Republican hold on Congress looking tenuous.

BBC News· 25 Aug 2026

But companies, and individuals, using AI systems often have a tenuous grasp on just how many tokens they are burning through – until they either run out or get their monthly bill.

BBC News· 11 Aug 2026

Irregularly formed from Latin tenuis (“thin, slight”) + -ous. Compare tenuious.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated