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

synonym study for unquestionable

See doubtless.

OTHER WORDS FROM unquestionable

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

Example sentences from the Web for unquestionably

British Dictionary definitions for unquestionably (1 of 2)

unquestionably
/ (ʌnˈkwɛstʃənəblɪ) /

adverb

indisputably; definitely an unquestionably great club
(sentence modifier) without a doubt; certainly unquestionably there were costs incurred

British Dictionary definitions for unquestionably (2 of 2)

unquestionable
/ (ʌnˈkwɛstʃənəbəl) /

adjective

indubitable or indisputable
not admitting of exception or qualification an unquestionable decision

Derived forms of unquestionable

unquestionability or unquestionableness, noun