Dictionary.com
Thesaurus.com
Synonyms

insupportable

American  
[in-suh-pawr-tuh-buhl, -pohr-] / ˌɪn səˈpɔr tə bəl, -ˈpoʊr- /

adjective

  1. not endurable; unbearable; insufferable.

    insupportable pain.

  2. incapable of support or justification, as by evidence or collected facts.

    an insupportable accusation.


insupportable British  
/ ˌɪnsəˈpɔːtəbəl /

adjective

  1. incapable of being endured; intolerable; insufferable

  2. incapable of being supported or justified; indefensible

"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

Other Word Forms

Etymology

Origin of insupportable

From the Late Latin word insupportābilis, dating back to 1520–30. See in- 3, supportable

Vocabulary lists containing insupportable

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.

See Examples For:

In “Exit the King,” he confronts the insupportable reality of death with the same madcap delirium of his better known works, such as “The Bald Soprano,” “The Chairs” and “Rhinoceros.”

From Los Angeles Times May 13, 2026

“That position is insupportable as a matter of precedent and common sense,” Roberts wrote.

From Washington Post Jun. 23, 2021

For a culture so neurocentric — so brain-bound, as Mr. Clark later called it — this was an insupportable notion, a bridge too far.

From New York Times Jun. 11, 2021

And then you have three high-value journalists resign because a major story is insupportable and has to be retracted.

From Washington Times Oct. 25, 2017

The GAC had reached the conclusion that the intensified test schedule really was placing insupportable pressure on Los Alamos; sooner or later, Oppenheimer feared, the workload would erode the quality of the lab’s product.

From "Big Science" by Michael Hiltzik

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training