[ doo-bee-uhs, dyoo- ]
/ ˈdu bi əs, ˈdyu- /
doubtful; marked by or occasioning doubt: a dubious reply.
of doubtful quality or propriety; questionable: a dubious compliment; a dubious transaction.
of uncertain outcome: in dubious battle.
wavering or hesitating in opinion; inclined to doubt.
Origin of dubious
1540–50; < Latin dubius; see -ous
du·bi·ous·ly, adverbdu·bi·ous·ness, nounsu·per·du·bi·ous, adjectivesu·per·du·bi·ous·ly, adverb
su·per·du·bi·ous·ness, nounun·du·bi·ous, adjectiveun·du·bi·ous·ly, adverbun·du·bi·ous·ness, noun
4. See doubtful.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for undubiously
/ (ˈdjuːbɪəs) /
marked by or causing doubta dubious reply
unsettled in mind; uncertain; doubtful
of doubtful quality; untrustworthya dubious reputation
not certain in outcome
Derived Formsdubiously, adverbdubiousness, noun
Word Origin for dubious
C16: from Latin dubius wavering
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