definitions
  • synonyms

unquestionable

[ uhn-kwes-chuh-nuh-buh l ]
/ ʌnˈkwɛs tʃə nə bəl /
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SEE MORE SYNONYMS FOR unquestionable ON THESAURUS.COM

adjective

not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
above criticism; unexceptionable: a man of unquestionable principles.

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Nearby words

unq, unquachog, unqualified, unquantifiable, unquenchable, unquestionable, unquestionably, unquestioned, unquestioning, unquiet, unquote

Origin of unquestionable

First recorded in 1590–1600; un-1 + questionable
Related formsun·ques·tion·a·ble·ness, nounun·ques·tion·a·bly, adverb

Synonym study

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unquestionably

British Dictionary definitions for unquestionably (1 of 2)

unquestionably

/ (ʌnˈkwɛstʃənəblɪ) /

adverb

indisputably; definitelyan unquestionably great club
(sentence modifier) without a doubt; certainlyunquestionably there were costs incurred

British Dictionary definitions for unquestionably (2 of 2)

unquestionable

/ (ʌnˈkwɛstʃənəbəl) /

adjective

indubitable or indisputable
not admitting of exception or qualificationan unquestionable decision
Derived Formsunquestionability or unquestionableness, noun
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

Word Origin and History for unquestionably

unquestionable


adj.

c.1600, from un- (1) "not" + questionable. Related: Unquestionably.

Online Etymology Dictionary, © 2010 Douglas Harper