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.
Foreign minister Anand has called Arctic defence "an unquestionable national security priority of this government".
From BBC • Feb. 6, 2026
The CMA said Google's market dominance was unquestionable.
From BBC • Oct. 10, 2025
“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
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
They are passionate spokespeople for their brand of life, giving Gogol and Moushumi a steady, unquestionable stream of advice about quotidian things.
From "The Namesake" by Jhumpa Lahiri
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.
