[in-doo-bi-tuh-buh l, -dyoo-]See more synonyms for indubitable on Thesaurus.com
- that cannot be doubted; patently evident or certain; unquestionable.
Origin of indubitable
Related formsin·du·bi·ta·bil·i·ty, in·du·bi·ta·ble·ness, nounin·du·bi·ta·bly, adverb
From the Latin
dating back to 1615–25.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for indubitability
Derived Formsindubitability or indubitableness, noun
- incapable of being doubted; unquestionable
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
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Word Origin and History for indubitability
mid-15c., from Latin indubitabilis "that cannot be doubted," from in- "not, opposite of" (see in- (1)) + dubitabilis "doubtful," from dubitare "hesitate, doubt" (see doubt).
Online Etymology Dictionary, © 2010 Douglas Harper