in·​sta·​ble | \ (ˌ)in-ˈstā-bəl How to pronounce instable (audio) \

Definition of instable

Examples of instable in a Sentence

Recent Examples on the Web Photo: agencja gazeta/Reuters Some commentators compared the murder to the killing of Jo Cox, a British liberal legislator who was shot and stabbed to death by a mentally instable man inspired by far-right politics. Bojan Pancevski, WSJ, "Polish Politician Dies After Stabbing, Sparking Uproar," 14 Jan. 2019 With today's instable geopolitical times, a theatrical reboot offers fresh fodder for the show to put a mirror up to society. Ben Panko, Smithsonian, "‘Twilight Zone’ Enters the Stage Dimension," 19 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'instable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of instable

15th century, in the meaning defined above

History and Etymology for instable

Middle English, from Middle French or Latin; Middle French, from Latin instabilis, from in- + stabilis stable

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Time Traveler for instable

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The first known use of instable was in the 15th century

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Cite this Entry

“Instable.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

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Rhyming Dictionary: Words that rhyme with instable

Comments on instable

What made you want to look up instable? Please tell us where you read or heard it (including the quote, if possible).


to state or do over again or repeatedly

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