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indubitable

[in-doo-bi-tuh-buh l, -dyoo-] /ɪnˈdu bɪ tə bəl, -ˈdyu-/
adjective
1.
that cannot be doubted; patently evident or certain; unquestionable.
Origin of indubitable
1615-1625
From the Latin word indubitābilis, dating back to 1615-25. See in-3, dubitable
Related forms
indubitability, indubitableness, noun
indubitably, adverb
Synonym Study
See doubtless.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for indubitably
Contemporary Examples
Historical Examples
  • Yet in their racial and national relationships they are indubitably American.

    The American Mind Bliss Perry
  • The Old and Merrie England indubitably procured it from those elements.

    Another Sheaf John Galsworthy
  • We have, however, a Latin poem which is indubitably his work.

  • indubitably, it would be more likely that a jury would convict Perry.

    The Winning Clue

    James Hay, Jr.
  • To the wrecker of railroads on Wall Street it was indubitably petty.

    The Tyranny of the Dark Hamlin Garland
  • The time had been discreetly chosen—the coast was indubitably clear.

    The Convert

    Elizabeth Robins
  • Coupled with his swinging corn tax, it was indubitably a stout platform.

    The Freelands John Galsworthy
British Dictionary definitions for indubitably

indubitably

/ɪnˈdjuːbɪtəblɪ/
adverb
1.
without doubt; certainly

indubitable

/ɪnˈdjuːbɪtəbəl/
adjective
1.
incapable of being doubted; unquestionable
Derived Forms
indubitability, indubitableness, noun
Word Origin
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
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Word Origin and History for indubitably
adv.

late 15c., from indubitable + -ly (2).

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).

Online Etymology Dictionary, © 2010 Douglas Harper
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