tenable

adjective

ten·​a·​ble ˈte-nə-bəl How to pronounce tenable (audio)
: capable of being held, maintained, or defended : defensible, reasonable
tenability noun
tenableness noun
tenably adverb

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Hold Onto the Meaning of Tenable

Tenable means "holdable". In the past it was often used in a physical sense—for example, to refer to a city that an army was trying to "hold" militarily against an enemy force. But nowadays it's almost always used when speaking of "held" ideas and theories. If you hold an opinion but evidence appears that completely contradicts it, your opinion is no longer tenable. So, for example, the old ideas that cancer is infectious or that being bled by leeches can cure your whooping cough now seem untenable.

Examples of tenable in a Sentence

the soldiers' encampment on the open plain was not tenable, so they retreated to higher ground the tenable theory that a giant meteor strike set off a chain of events resulting in the demise of the dinosaurs
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But that is no longer tenable, and Swinney seems to recognize that. Grace Raynor, The Athletic, 7 Jan. 2025 If so, that might mean that planets which heretofore would never have been seen suitable for the evolution of complex life might become tenable for the evolution of intelligence. Bruce Dorminey, Forbes, 23 Dec. 2024 This is hardly a tenable course for Washington and its allies during a period of geopolitical conflict, so Trump must pivot. Peter E. Harrell, Foreign Affairs, 19 Dec. 2024 After the events of the last week, the Trump administration may decide that a U.S. presence in Iraq is no longer tenable, particularly in an election year. Emma Sky, Foreign Affairs, 3 Jan. 2020 See all Example Sentences for tenable 

Word History

Etymology

borrowed from Middle French, going back to Old French, "capable of being defended against attack," from tenir "to hold, have possession of" + -able -able — more at tenant entry 1

First Known Use

1579, in the meaning defined above

Time Traveler
The first known use of tenable was in 1579

Dictionary Entries Near tenable

Cite this Entry

“Tenable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tenable. Accessed 18 Jan. 2025.

Kids Definition

tenable

adjective
ten·​a·​ble ˈten-ə-bəl How to pronounce tenable (audio)
: capable of being held, maintained, or defended
a tenable argument

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