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

1425–75; late Middle English; see un-1, doubt, -ed2

undoubtedly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To undoubted
World English Dictionary
undoubted (ʌnˈdaʊtɪd)
beyond doubt; certain or indisputable

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

c.1460, from un- (1) "not" + pp. of doubt (v.).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Despite the undoubted power of today's computers, users continue to be
  tormented by their systems' stubborn unreliability.
The degree of his undoubted success is immeasurable, because nothing really
  relates to it.
Your undoubted familiarity with the bridge scene is completely irrelevant.
Yet the main theme of both authors is not these undoubted successes.
Related Searches
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature