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.
- du·bi·ous·ly, adverb
- du·bi·ous·ness, noun
- su·per·du·bi·ous, adjective
- su·per·du·bi·ous·ly, adverb
- su·per·du·bi·ous·ness, noun
- un·du·bi·ous, adjective
- un·du·bi·ous·ly, adverb
- un·du·bi·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use dubious in a sentence
In the second strand of the book, he explores his life as an actor, and here the focus is not on rehashing his many achievements, but rather on the dubious nature of fame and on self-doubt.Gabriel Byrne’s ‘Walking with Ghosts’ is a revelation in unexpected ways | Keith Donohue | January 12, 2021 | Washington Post
The most compelling case for national greatness, if you’re playing that game, is that the country is ironically great, in that it started with dubious ideals but, fortunately, failed to realize them.We teach students how to understand the U.S., not to love it — or hate it | Daniel Immerwahr | December 23, 2020 | Washington Post
In some cases, right-leaning figures and news sites pushed the disinformation, as well as dubious websites and followers of bogus conspiracy theory QAnon.Vaccine hoaxes are rampant on social media. Here’s how to spot them. | Rachel Lerman | December 18, 2020 | Washington Post
Even in a plague, a company with a morally dubious track record has to be treated with great caution concerning its claims.As China nears a coronavirus vaccine, bribery cloud hangs over drugmaker Sinovac | Eva Dou | December 4, 2020 | Washington Post
As the vote counts come in and vote shares shift, some “influencers”—people with many followers in the media and on social media—have been questioning, with dubious evidence, the results and the voting process in battleground states.Five election misinformation campaigns to avoid resharing | By Starbird, West, & DiResta/The Conversation | November 6, 2020 | Popular-Science
Another reason might have been the dubiousness with which the tactics of the so-called New Journalism were viewed.
Diogenes eyed her with a dubiousness that soon became certainty.The Proud Prince | Justin Huntly McCarthy
I'll just keep on being puzzled quietly and without indicating the slightest magneto-ionic dubiousness, if you'd rather.Where I Wasn't Going | Walt Richmond
"I really fear sometimes that you cannot," he said, with a dubiousness approaching anger.Jude the Obscure | Thomas Hardy
She could not accept a 'perhaps' that cast dubiousness on her disinterested championship.Diana of the Crossways, Complete | George Meredith
I did not overlook the evils of constraint and the dubiousness as to the character of the master I should choose.Arthur Mervyn | Charles Brockden Brown
British Dictionary definitions for dubious
marked by or causing doubt: a dubious reply
unsettled in mind; uncertain; doubtful
of doubtful quality; untrustworthy: a dubious reputation
not certain in outcome
- dubiously, adverb
- dubiousness, noun
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