follow Dictionary.com

Is irregardless a word?

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 of unquestionable
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. 2015.
Cite This Source
Examples from the Web for unquestionable
Contemporary Examples
Historical Examples
  • God to him was the universe, and his mother the unquestionable means of communication with the Providence that governed his life.

    The King of Diamonds Louis Tracy
  • That the Egyptians had stringed instruments is unquestionable.

    How the Piano Came to Be Ellye Howell Glover
  • But, if he gives me his time, he gives me an unquestionable proof of my being in full possession of his heart.

  • This would seem to be such an unquestionable fact as to admit of no argument.

    Aztec Land Maturin M. Ballou
  • Now here is a clear and unquestionable restriction upon the Territories and States.

  • Its plainness troubled him, but its cleanliness was unquestionable.

    The Golden Woman Ridgwell Cullum
British Dictionary definitions for unquestionable

unquestionable

/ʌnˈkwɛstʃənəbəl/
adjective
1.
indubitable or indisputable
2.
not admitting of exception or qualification: an unquestionable decision
Derived Forms
unquestionability, 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
Cite This Source
Word Origin and History for unquestionable
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for unquestionable

Few English speakers likely know this word

Word Value for unquestionable

25
31
Scrabble Words With Friends

Nearby words for unquestionable