not called in question; accepted as beyond doubt; undisputed.

Origin of undoubted

late Middle English word dating back to 1425–75; see origin at un-1, doubt, -ed2
Related formsun·doubt·ed·ly, adverb

Synonym study

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

Examples from the Web for undoubted

Contemporary Examples of undoubted

Historical Examples of undoubted

  • Let this drink up your sorrow: seeing these are not feigned words to comfort you, but the thing is so real and undoubted a truth.

  • She was very proud of this lover of hers, of his undoubted cleverness, his good looks, and his powers of conversation.

    People of Position

    Stanley Portal Hyatt

  • This was an undoubted resemblance between his elder niece and her aunt!

    Robin Redbreast

    Mary Louisa Molesworth

  • The supremacy of undoubted genius was never more apparent, and never exacted nor received more willing worship.

  • Habits and heredity are undoubted factors in the production of diseased minds, and, in fact, are the chief agents.

British Dictionary definitions for undoubted



beyond doubt; certain or indisputable
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 undoubted

mid-15c., from un- (1) "not" + past participle of doubt (v.).

Online Etymology Dictionary, © 2010 Douglas Harper