indubitable
adjective
in·du·bi·ta·ble
(ˌ)in-ˈdü-bə-tə-bəl 
-ˈdyü-
: too evident to be doubted : unquestionable
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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
Lush greenery in wicker creates a cottage feel Wicker retaining walls add indubitable charm.
—
Katherine McLaughlin, Architectural Digest, 18 Apr. 2025
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Wiseman had a rocky year for Memphis, playing just three games for the Tigers, but his talent is indubitable.
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Katherine McLaughlin, Architectural Digest, 18 Apr. 2025
The DeSantis announcement is an indubitable win for Musk.
—Scott Nover, Quartz, 24 May 2023
These key facts are essentially indubitable.
—David Harsanyi, National Review, 16 Mar. 2023
In the 15 years that followed her country music debut, Swift has fully metamorphosed from Nashville darling into indubitable Queen of Pop.
—Los Angeles Times, 15 Nov. 2022
The indubitable charm of the movie is all the richer because it is tracked by quiet fears.
—Anthony Lane, The New Yorker, 21 Apr. 2022
This makes indubitable sense since that truck could suddenly swerve into the lane of the self-driving car.
—Lance Eliot, Forbes, 23 Dec. 2021
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
Cite this Entry
“Indubitable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indubitable. Accessed 31 Oct. 2025.
Copy CitationKids Definition
indubitable
adjective
in·du·bi·ta·ble
(ˈ)in-ˈd(y)ü-bət-ə-bəl
: impossible to doubt : beyond question
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