in·​du·​bi·​ta·​ble | \ (ˌ)in-ˈdü-bə-tə-bəl How to pronounce indubitable (audio) , -ˈdyü- \

Definition of indubitable

: too evident to be doubted : unquestionable

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Other Words from indubitable

indubitability \ (ˌ)in-​ˌdü-​bə-​tə-​ˈbi-​lə-​tē How to pronounce indubitable (audio) , -​ˌdyü-​ \ noun
indubitableness \ (ˌ)in-​ˈdü-​bə-​tə-​bəl-​nəs How to pronounce indubitable (audio) , -​ˈdyü-​ \ noun
indubitably \ (ˌ)in-​ˈdü-​bə-​tə-​blē How to pronounce indubitable (audio) , -​ˈdyü-​ \ adverb

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There's no reason to question the fairly straightforward etymology of indubitable - a word that has remained true to its Latin roots. It arrived in Middle English in the 15th century from Latin indubitabilis, itself a combination of "in-" ("not") and "dubitabilis" ("open to doubt or question"). "Dubitabilis" is from the verb dubitare, meaning "to doubt," which also gave us our "doubt." The word dubitable also exists in English, and of course means "questionable or doubtable," but it is fairly rare.

Examples of indubitable in a Sentence

the indubitable fact that there are no more woolly mammoths or saber-toothed tigers around
Recent Examples on the Web Wiseman had a rocky year for Memphis, playing just three games for the Tigers, but his talent is indubitable. Calum Trenaman, CNN, 22 Dec. 2020 Friendship has been through a plethora of trends since the beginning of lockdown: the Houseparty phase (an indubitable nightmare), the era of the Zoom pub quiz and, more recently, the rise of the WhatsApp voice note essay. Zoe Beaty,, 22 June 2020 Her character, Belle, feisty and tender, arrives late to the story but makes an indubitable impact. Hamish Bowles, Vogue, 17 Oct. 2018 Maybe the result was not a reflection of English weaknesses at all, but of indubitable West German superiority., 11 June 2018 According to Mario Zagallo, such a seamless transition to life without Pele was indubitable., 16 Mar. 2018 In a media landscape that’s increasingly allergic to nuance, Trump’s favorite judge thrives by purveying the gut satisfactions of indubitable belief. Katy Waldman, Slate Magazine, 15 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'indubitable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of indubitable

15th century, in the meaning defined above

History and Etymology for indubitable

Middle English indubitabyll, from Latin indubitabilis, from in- + dubitabilis dubitable

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The first known use of indubitable was in the 15th century

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Cite this Entry

“Indubitable.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2021.

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English Language Learners Definition of indubitable

formal : certainly true : not able to be doubted


in·​du·​bi·​ta·​ble | \ in-ˈdü-bə-tə-bəl How to pronounce indubitable (audio) , -ˈdyü- \

Kids Definition of indubitable

: being beyond question or doubt

Other Words from indubitable

indubitably \ -​blē \ adverb

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Thesaurus: All synonyms and antonyms for indubitable

Nglish: Translation of indubitable for Spanish Speakers


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