Dictionary.com

indubitable

[ in-doo-bi-tuh-buhl, -dyoo- ]
/ ɪnˈdu bɪ tə bəl, -ˈdyu- /
Save This Word!
See synonyms for: indubitable / indubitableness / indubitably on Thesaurus.com

adjective
that cannot be doubted; patently evident or certain; unquestionable.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of indubitable

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

synonym study for indubitable

See doubtless.

OTHER WORDS FROM indubitable

in·du·bi·ta·bil·i·ty, in·du·bi·ta·ble·ness, nounin·du·bi·ta·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use indubitable in a sentence

British Dictionary definitions for indubitable

indubitable
/ (ɪnˈdjuːbɪtəbəl) /

adjective
incapable of being doubted; unquestionable

Derived forms of indubitable

indubitability or indubitableness, noun

Word Origin for indubitable

C18: from Latin indubitābilis, from in- 1 + dubitāre to doubt
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
FEEDBACK