• synonyms


[in-suh-pawr-tuh-buh l, -pohr-]
See more synonyms for insupportable on Thesaurus.com
  1. not endurable; unbearable; insufferable: insupportable pain.
  2. incapable of support or justification, as by evidence or collected facts: an insupportable accusation.
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Origin of insupportable

From the Late Latin word insupportābilis, dating back to 1520–30. See in-3, supportable
Related formsin·sup·port·a·ble·ness, in·sup·port·a·bil·i·ty, nounin·sup·port·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for insupportable

Contemporary Examples

Historical Examples

  • After my marriage, my old malady rose to an insupportable height.

  • The conversation was rapidly becoming insupportable to Artois.

    A Spirit in Prison

    Robert Hichens

  • His soul was in a tumult, and he was driven on by fears that were all but insupportable.

    A Son of Hagar

    Sir Hall Caine

  • By now I might have found existence insupportable, and so—who knows?

    The Lion's Skin

    Rafael Sabatini

  • To her the idea of associating with a wild, and unruly character like this was insupportable.

    Arthur O'Leary

    Charles James Lever

British Dictionary definitions for insupportable


  1. incapable of being endured; intolerable; insufferable
  2. incapable of being supported or justified; indefensible
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Derived Formsinsupportableness, nouninsupportably, 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 insupportable


1520s, from French insupportable (14c.) or directly from Late Latin insupportabilis, from in- "not" (see in- (1)) + Latin supportare "to carry" (see support).

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Online Etymology Dictionary, © 2010 Douglas Harper