indubitable

[in-doo-bi-tuh-buh l, -dyoo-]

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adjective

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

Origin of indubitable

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

Related formsin·du·bi·ta·bil·i·ty, in·du·bi·ta·ble·ness, nounin·du·bi·ta·bly, adverb

Synonym study

See doubtless.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for indubitable

apparent, assured, certain, conclusive, evident, indisputable, open, positive, sure, undeniable, unequivocal, unquestionable, irrefragable

Examples from the Web for indubitable

Historical Examples of indubitable

Her costume had about it an indubitable air, a finality of perfection in its kind.
Within the Law
Marvin Dana
This charge was doubtful, while the man's practical piety was indubitable.
The Innocence of Father Brown
G. K. Chesterton
It took me three years to realise it as an indubitable fact.
The Mistress of Shenstone
Florence L. Barclay
My heart bounded with joy, and I held escape to be indubitable.
The Life and Adventures of Baron Trenck
Baron Trenck
And yet he knew, with an indubitable knowledge, that he should ask her again.
A Venetian June
Anna Fuller

British Dictionary definitions for indubitable

indubitable

adjective

incapable of being doubted; unquestionable

Derived Formsindubitability 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

Word Origin and History for indubitable

adj.

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).