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
The precision of the drops is astonishing, the impact heart-lifting, their moments of victory obvious and unquestionable.
From Los Angeles Times • Jan. 11, 2025
For all England's unquestionable courage and energy, they have continually been undermined by mistakes this autumn.
From BBC • Nov. 16, 2024
The first couple of days of the Kamala Harris–Tim Walz rollout were an unquestionable success.
From Slate • Aug. 10, 2024
From 1572 onwards Aristotelian philosophy was facing a crisis from which it could not escape without sacrificing fundamental claims that it had long regarded as unquestionable.
From "The Invention of Science" by David Wootton
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.
