unquestionable
Americanadjective
-
not open to question; beyond doubt or dispute; indisputable; undeniable; certain.
an unquestionable fact.
-
above criticism; unexceptionable.
a man of unquestionable principles.
adjective
-
indubitable or indisputable
-
not admitting of exception or qualification
an unquestionable decision
Related Words
See doubtless ( def. ).
Other Word Forms
- unquestionability noun
- unquestionableness noun
- unquestionably adverb
Etymology
Origin of unquestionable
First recorded in 1590–1600; un- 1 + questionable
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.
“It’s unquestionable that climate change and environmental impacts are impacting the speed and severity of which things change. ... Climate resilience has to be part of the conversation.”
From Los Angeles Times • Jan. 27, 2026
“She displayed unquestionable strength and brought attention to the realities of powerful men in our orbit and the misconduct that has persisted for decades without repercussion.”
From Los Angeles Times • Jul. 2, 2025
What is unquestionable is that any prime minister would have struggled with the backdrop Sir Keir inherited.
From BBC • Jun. 27, 2025
For all England's unquestionable courage and energy, they have continually been undermined by mistakes this autumn.
From BBC • Nov. 16, 2024
The woman carried the same unquestionable authority as Tally’s teachers back in Uglyville.
From "Uglies" by Scott Westerfeld
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
