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
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indubitable or indisputable
-
not admitting of exception or qualification
an unquestionable decision
Synonym Usage
See doubtless ( def. ).
Other Word Forms
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.
Public trust is damaged not when science changes its conclusions in response to better evidence, but when scientists present provisional judgments as unquestionable truths.
From The Wall Street Journal ● Sep. 13, 2026
While early journal entries chronicle profound uncertainties regarding viral origins and transmission dynamics, public mandates were treated as absolute, unquestionable truths.
From The Wall Street Journal ● Aug. 18, 2026
One unquestionable element is its success in raising the low estimation of Green Lantern created by a particularly clumsy movie, simply by imagining possibilities in much bigger terms.
From Salon ● Aug. 14, 2026
His personal charisma has been an unquestionable ingredient of his success, but polls suggest many of his supporters have tired of him and the corruption allegations that have swirled around his party.
From BBC ● Apr. 5, 2026
She wanted her life shaped now, immediately--and the decision must be made by some force--of love, of money, of unquestionable practicality--that was close at hand.
From " The Great Gatsby" by F. Scott Fitzgerald
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
