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Synonyms

indubitable

American  
[in-doo-bi-tuh-buhl, -dyoo-] / ɪnˈdu bɪ tə bəl, -ˈdyu- /

adjective

  1. that cannot be doubted; patently evident or certain; unquestionable.


indubitable British  
/ ɪnˈdjuːbɪtəbəl /

adjective

  1. incapable of being doubted; unquestionable

"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.

Other Word Forms

  • indubitability noun
  • indubitableness noun
  • indubitably adverb

Etymology

Origin of indubitable

From the Latin word indubitābilis, dating back to 1615–25. See in- 3, dubitable

Explanation

Indubitable is a really fancy — five syllable, no less — way of saying "utterly obvious," or "clear beyond a doubt." Indubitably is very closely related to undoubtedly, and has essentially the same meaning. But if you want to throw in a certain educated, old-school touch to your vocabulary, go with indubitably instead. You'll sound smarter. After all, if it was good enough for Sherlock Holmes, it's good enough for you — "Indubitably, my dear Watson..." was his frequent preface to his less-quick-on-the-uptake sidekick.

Keep Reading on Vocabulary.com

Vocabulary lists containing indubitable

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.

Since the mid-2010s, cookbook author Ali Slagle has published some 360 recipes for “The New York Times’” Cooking section, many of which have topped annual reader favorite lists for their simplicity and indubitable craveability.

From Salon • Dec. 18, 2023

"It is indubitable that the impact of climate change will increasingly prejudice the lives and families of many persons."

From Reuters • Oct. 5, 2023

In the 15 years that followed her country music debut, Swift has fully metamorphosed from Nashville darling into indubitable Queen of Pop.

From Los Angeles Times • Nov. 15, 2022

Among these is a third indubitable masterpiece, the National Gallery’s “The Repose,” which he painted in 1860 and reworked later that decade.

From Washington Post • Sep. 24, 2018

And after years of bumbling, potentially crooked investigations into the Osage murders, White needed to weed out half facts and build an indubitable narrative based on what he called an “unbroken chain of evidence.”

From "Killers of the Flower Moon" by David Grann