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Definitions

tenable

[ten-uh-buhl] / ˈtɛn ə bəl /
ADJECTIVE
reasonable
Synonyms
STRONGEST
arguable defensible justifiable plausible rational
WEAK
believable condonable credible defendable excusable impregnable maintainable reliable secure sound strong trustworthy viable vindicable warrantable
Antonyms
STRONGEST
unjustifiable unreasonable
WEAK
irrational unbelievable untenable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He had been living with my sister, but that is no longer tenable given his condition, and my apartment is far too small.

From MarketWatch • Mar. 4, 2026

Ubisoft added that its fiscal 2027 guidance was no longer tenable and would update it in May.

From The Wall Street Journal • Jan. 21, 2026

At Prime Minister's Questions on Wednesday, Conservative leader Kemi Badenoch asked Sir Keir about Lord Mandelson and whether it was "tenable" for him to remain as ambassador.

From BBC • Sep. 11, 2025

A Kurdish defeat may convince him staying is no longer tenable.

From Los Angeles Times • Dec. 4, 2024

We were finding no common ground, and I was becoming convinced that the marriage was no longer tenable.

From "Long Walk to Freedom" by Nelson Mandela

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.