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Synonyms

unsupportable

British  
/ ˌʌnsəˈpɔːtəbəl /

adjective

  1. not able to be supported

  2. not able to be defended

    unsupportable actions

"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

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.

These claims rely on unsupportable logic, but more importantly, they reveal a deeply troubling worldview.

From Slate • Jun. 5, 2025

Jackson said in a Feb. 26 letter that using the more distant river gauge “is incorrect and unsupportable, and its consequent conclusion that the mine will have no impact on the swamp is also incorrect.”

From Seattle Times • Mar. 23, 2023

For a mission then expected to only last 5 years, that was unsupportable in the view of some committee members.

From Science Magazine • Nov. 2, 2022

Could MPs who found him unsupportable six weeks ago find him acceptable now?

From BBC • Oct. 21, 2022

No other thought, no other consciousness, lingered in his mind; even the pain, the unsupportable white core of suffering in his brain, was dulled.

From Mountain Blood A Novel by Hergesheimer, Joseph