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Synonyms

unquestionable

American  
[uhn-kwes-chuh-nuh-buhl] / 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.


unquestionable British  
/ ʌnˈkwɛstʃənəbəl /

adjective

  1. indubitable or indisputable

  2. not admitting of exception or qualification

    an unquestionable decision

"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

Related Words

See doubtless ( def. ).

Other Word Forms

Etymology

Origin of unquestionable

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Unquestionable, who has been running in France and Ireland, won the $1 million Juvenile Turf for trainer Aidan O’Brien and jockey Ryan Moore.

From Los Angeles Times • Nov. 3, 2023

Unquestionable won the $1 million Juvenile Turf to salvage the day for Irish trainer Aiden O’Brien.

From Seattle Times • Nov. 3, 2023

Unquestionable paid $5 to win as the 3-2 favorite.

From Seattle Times • Nov. 3, 2023

That left O’Brien with two horses in the field and they went 1-2 as Unquestionable beat Mountain Bear by 1 1/2 lengths.

From Seattle Times • Nov. 3, 2023

One of the authors, who calls himself Theophilus, was a monk; the other, Heraclitis, is totally unknown; but the proofs are Unquestionable.

From The Letters of Horace Walpole, Earl of Orford — Volume 4 by Walpole, Horace