unquestionable

[ uhn-kwes-chuh-nuh-buh l ]
/ ʌnˈkwɛs tʃə nə bəl /

adjective

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

Origin of unquestionable

First recorded in 1590–1600; un-1 + questionable

OTHER WORDS FROM unquestionable

un·ques·tion·a·ble·ness, nounun·ques·tion·a·bly, adverb

synonym study for unquestionable

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 forms of unquestionable

unquestionability 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