incapable of being defended, as an argument, thesis, etc.; indefensible.
not fit to be occupied, as an apartment, house, etc.

Origin of untenable

First recorded in 1640–50; un-1 + tenable
Related formsun·ten·a·bil·i·ty, un·ten·a·ble·ness, noun

Synonyms for untenable

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for untenable

unsound, illogical, unsupportable, flawed

Examples from the Web for untenable

Contemporary Examples of untenable

Historical Examples of untenable

British Dictionary definitions for untenable



(of theories, propositions, etc) incapable of being maintained, defended, or vindicated
unable to be maintained against attack
rare (of a house, etc) unfit for occupation
Derived Formsuntenability or untenableness, noununtenably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for untenable

1640s, "incapable of being held against attack," from un- (1) "not" + past participle of tenable. Figurative sense is recorded from 1690s.

Online Etymology Dictionary, © 2010 Douglas Harper