dubious

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UK/ˈd͡ʒuː.bi.əs/UK/ˈdjuː.bi.əs/UK/-bjəs/US/ˈdu.bi.əs/

adjective

Arousing doubt; questionable; open to suspicion.

“They were renowned as people of dubious morals.”

Less commonScrabble 10

Meanings

adjectivedubious (comparative more dubious, superlative most dubious)

comparative more dubious · superlative most dubious

  1. matter; or thing; matter; or thingArousing doubt; questionable; open to suspicion.

    They were renowned as people of dubious morals.

    4 more examples

    After he made some dubious claims about the company, fewer people trusted him.

    There are several reasons why the line's future is now dubious. With the exception of Horsmonden, the stations are most inconveniently sited. This is largely because the Wealden villages were built on ridges, and in fact most Wealden stations are badly placed.

    1960 March, H. P. White, “The Hawkhurst branch of the Southern Region”, in Trains Illustrated, page 173

    Evasive, womanising, boastful, malicious, untrustworthy, an inveterate gambler who combined his mediocre military career with running a high-class brothel, permanently cash strapped and viciously quarrelsome, his character is as dubious as his unsavoury appearance.

    2011 February, Nigel Jones, “A Tale of Two Scandals”, in History Today, volume 61, number 2, pages 10–17

    Urban Dictionary records at least 66 of the terms found by the present research, but as this dictionary liberally accepts words, definitions, and sample sentences based solely on the say-so of contributors, in the absence of corroboration from other sources the authenticity of some entries must remain dubious.

    2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide, page 2
  2. In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.

    She was dubious about my plan at first, but later I managed to persuade her to cooperate.

    1 more example

    Last year, President Obama had large majorities in Congress and hopes of passing a comprehensive climate and energy bill. Next year, he faces a new Congress much more dubious about the reality of climate change and considerably more hostile to international efforts to deal with it.

    2010, John M. Broder, "Global Climate-Change Talks Begin in Cancun With More Modest Expectations", New York Times, November 30, Section A, Column 0, Foreign Desk, page 12
  3. board gamesGenerally considered imprecise or wrong, but not totally unplayable.

    Synonyms: mul:?!

Synonyms & antonyms

adjectiveGenerally considered imprecise or wrong, but not totally unplayable.

Similar
mul:?!

More synonyms by meaning

adjectivefraught with uncertainty or doubt

adjectiveopen to doubt or suspicion

adjectivenot convinced

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinduo
  2. Latindubius
  3. Englishdubious

From Latin dubius; like doubt, from Latin duo (cognate to English two), implying “two alternatives” (yes or no, true or false, etc.).

Full word history & related roots →

Translations

Bulgarian съмнителен, несигурен
  • съмнителен (sămnitelen)arousing doubt
  • несигурен (nesiguren)in disbelief, uncertain
Czech pochybný, pochybující
  • pochybnýarousing doubt
  • pochybujícíin disbelief, uncertain
  • nejistýin disbelief, uncertain
Danish tvivlsom, usikker
  • tvivlsomarousing doubt
  • usikkerarousing doubt
  • tvivlendein disbelief, uncertain
  • tvivlrådigin disbelief, uncertain
  • usikkerin disbelief, uncertain
Dutch dubieus, twijfelachtig
  • dubieusarousing doubt
  • twijfelachtigarousing doubt
Finnish kyseenalainen, epäilyttävä
  • kyseenalainenarousing doubt
  • epäilyttäväarousing doubt
  • arveluttavaarousing doubt
  • epäileväin disbelief, uncertain
  • epävarmain disbelief, uncertain
  • epäluuloinenin disbelief, uncertain
French douteux, dubitatif
  • douteuxarousing doubt
  • dubitatifarousing doubt
  • louchearousing doubt
  • douteuxin disbelief, uncertain
  • sceptiquein disbelief, uncertain
German dubios, fragwürdig
  • dubiosarousing doubt
  • fragwürdigarousing doubt
  • ominösarousing doubt
  • zwielichtigarousing doubt
  • unsicherin disbelief, uncertain
Greek αμφίβολος, αμφιλεγόμενος
  • αμφίβολος (amfívolos)arousing doubt
  • αμφιλεγόμενος (amfilegómenos)arousing doubt
  • ύποπτος (ýpoptos)arousing doubt
  • αβέβαιος (avévaios)in disbelief, uncertain
  • αναποφάσιστος (anapofásistos)in disbelief, uncertain
Hindi संदेहास्पद
  • संदेहास्पद (sandehāspad)arousing doubt
Hungarian kérdéses, kétséges
  • kérdésesarousing doubt
  • kétségesarousing doubt
  • kétesarousing doubt
  • kétségei vannakin disbelief, uncertain
  • nincs meggyőződvein disbelief, uncertain
  • habozikin disbelief, uncertain
  • bizonytalanin disbelief, uncertain
Italian dubbio, equivoco
  • dubbioarousing doubt
  • equivocoarousing doubt
  • ambiguoarousing doubt
  • loscoarousing doubt
  • biecoarousing doubt
  • torvoarousing doubt
Latin dubius, dubius
  • dubiusarousing doubt
  • dubiusin disbelief, uncertain
Māori kārangirangi, haurokuroku
  • kārangirangiarousing doubt
  • haurokurokuin disbelief, uncertain
Norwegian usikker, tvilrådig
  • usikkerarousing doubt
  • tvilrådigin disbelief, uncertain
  • usikkerin disbelief, uncertain
Norwegian Bokmål tvilsom
  • tvilsomarousing doubt
Polish wątpliwy, niepewny
  • wątpliwyarousing doubt
  • niepewnyin disbelief, uncertain
  • nieprzekonanyin disbelief, uncertain
Portuguese dúbio, duvidoso
  • dúbioarousing doubt
  • duvidosoarousing doubt
  • em dúvidain disbelief, uncertain
Romanian dubios, îndoielnic
  • dubiosarousing doubt
  • îndoielnicarousing doubt
Russian сомни́тельный, сомневающийся
  • сомни́тельный (somnítelʹnyj)arousing doubt
  • сомневающийся (somnevajuščijsja)in disbelief, uncertain
  • колеблющийся (kolebljuščijsja)in disbelief, uncertain
Swedish tvivelaktig
  • tvivelaktigarousing doubt
Turkish şüpheli, kararsız
  • şüpheliarousing doubt
  • kararsızin disbelief, uncertain

Rhymes & wordplay

Anagrams

Cite this entry
APA

dubious. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dubious

MLA

“dubious.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dubious. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dubious,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dubious.

Source: dubious on Wiktionary, CC BY-SA 4.0.