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unquestionable

[uhn-kwes-chuh-nuh-buh l] /ʌnˈkwɛs tʃə nə bəl/
adjective
1.
not open to question; beyond doubt or dispute; indisputable; undeniable; certain:
an unquestionable fact.
2.
above criticism; unexceptionable:
a man of unquestionable principles.
Origin
1590-1600
1590-1600; un-1 + questionable
Related forms
unquestionableness, noun
unquestionably, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unquestionably

unquestionable

/ʌnˈkwɛstʃənəbəl/
adjective
1.
indubitable or indisputable
2.
not admitting of exception or qualification: an unquestionable decision
Derived Forms
unquestionability, unquestionableness, noun

unquestionably

/ʌnˈkwɛstʃənəblɪ/
adverb
1.
indisputably; definitely: an unquestionably great club
2.
(sentence modifier) without a doubt; certainly: unquestionably there were costs incurred
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
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Word Origin and History for unquestionably

unquestionable

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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