One thing remains doubtful.
Source: tatoeba (20041)
Doubtful
//ˈdaʊtfəl//
Synonyms for "doubtful" (183 found)
Ranked by relevance and common usage.
Closest matches (37)
Strong matches (55)
disputabledisreputabledistrustfuldoubtdoubtabledoubtingdubiousdubitableequivocalerraticevasivefeloniousfishyfraudulentfrom missourihard of beliefhard to believehardly possiblehazyhesitant
Show 32 more words
hesitatinghumeanhypotheticaliffyill-gotill-gottenimmoralimplausibleimprobablein disputein doubtin dubioinconceivableincredibleincredulousindecisiveindefiniteindeterminateindirectinsecureinsidiousleerymarginalmistakablemistrustfulmistrustingmootmore than doubtfulnot deserving beliefnot koshernot to be believedobscure
Adjective(3 words)
Related words (91)
openopen to doubtopen to questionopen to suspicionpassing beliefprecariouspreposterousproblematicproblematicalpyrrhonicqueasyqueerquestionquestionablequestioningrefutableridiculousrockyrottensceptical
Show 68 more words
scrupulousshadyshakyshamelessshiftyshysinisterskepticskepticalslipperyspeculativestaggering beliefsuppositionalsuspectsuspectingsuspicioustalltentativetenuousthickthintotterytouch-and-gotreacheroustremuloustrickyunbelievableunclearunconsciencedunconscientiousunconscionableunconvincedunconvincingundecidedundependableunderhandunderhandedunearthlyuneasyunethicalungodlyunhealthyunimaginableunlikelyunpredictableunprincipledunpromisingunreliableunresolvedunsafeunsavoryunscrupulousunsettledunsoundunstableunsteadyunstraightforwardunsureunthinkableuntrustinguntrustworthyunworthy of beliefvacillatevacillatingvaguewarywithout remorsewithout shame
Adjective(1 words)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Synonyms
2 entriesderived
4 entriesderived from
2 entriesdistinct from
1 entriesrelated to
30 entriesShowing 16 of 30 words.
similar
6 entriesTranslations
90 translations across 30 languages.
Armenian
4 entries- երկբայելի adj (subject to, or causing doubt)
- երկբայելի adj (experiencing or showing doubt)
- թերահավատ adj (experiencing or showing doubt)
- կասկածամիտ adj (experiencing or showing doubt)
Azerbaijani
3 entries- şübhəli adj (subject to, or causing doubt)
- şübhələnən adj (experiencing or showing doubt)
- şəkli adj (experiencing or showing doubt)
Bulgarian
4 entries- невероятен adj (improbable or unlikely)
- несигурен adj (undecided or of uncertain outcome)
- подозрителен adj (suspicious, or of dubious character)
- съмнителен adj (subject to, or causing doubt)
Catalan
2 entries- dubtós adj (subject to, or causing doubt)
- dubtós adj (experiencing or showing doubt)
Czech
1 entries- pochybný adj (suspicious, or of dubious character)
Danish
4 entries- tvivlende adj (experiencing or showing doubt)
- tvivlsom adj (undecided or of uncertain outcome)
- tvivlsom adj (improbable or unlikely)
- tvivlsom adj (suspicious, or of dubious character)
Eastern Mari
2 entries- ала adj (undecided or of uncertain outcome)
- ала adj (improbable or unlikely)
Finnish
4 entries- arveluttava adj (suspicious, or of dubious character)
- epäilevä adj (experiencing or showing doubt)
- epäilyttävä adj (subject to, or causing doubt)
- epäilyttävä adj (suspicious, or of dubious character)
French
2 entries- douteuse adj (subject to, or causing doubt)
- douteux adj (subject to, or causing doubt)
Georgian
2 entries- საეჭვო adj (subject to, or causing doubt)
- სათუო adj (subject to, or causing doubt)
German
4 entries- zweifelhaft adj (subject to, or causing doubt)
- zweifelhaft adj (undecided or of uncertain outcome)
- zweifelhaft adj (improbable or unlikely)
- zweifelhaft adj (suspicious, or of dubious character)
Greek
1 entries- αμφίβολος adj (subject to, or causing doubt)
Hanunoo
1 entries- pangalangan adj (experiencing or showing doubt)
Hindi
2 entries- संदेहास्पद adj (subject to, or causing doubt)
- संदेहास्पद adj (experiencing or showing doubt)
Hungarian
3 entries- kétes adj (suspicious, or of dubious character)
- kétséges adj (subject to, or causing doubt)
- kétséges adj (undecided or of uncertain outcome)
Irish
2 entries- amhrasach adj (experiencing or showing doubt)
- dabhtúil adj (subject to, or causing doubt)
Italian
4 entries- discutibile adj (experiencing or showing doubt)
- dubbio adj (subject to, or causing doubt)
- improbabile adj (improbable or unlikely)
- incerto adj (undecided or of uncertain outcome)
Latin
2 entries- dubitabundus adj (experiencing or showing doubt)
- dubius adj (subject to, or causing doubt)
Māori
4 entries- hokirua adj (subject to, or causing doubt)
- hokirua adj (undecided or of uncertain outcome)
- kārangirangi adj (subject to, or causing doubt)
- pōkaku adj (subject to, or causing doubt)
Norman
1 entries- douteux adj (subject to, or causing doubt)
Norwegian Bokmål
1 entries- tvilende adj (experiencing or showing doubt)
Norwegian Nynorsk
1 entries- tvilande adj (experiencing or showing doubt)
Ottoman Turkish
3 entries- شبههلو adj (subject to, or causing doubt)
- شبههلو adj (undecided or of uncertain outcome)
- شبههلو adj (suspicious, or of dubious character)
Portuguese
4 entries- duvidoso adj (subject to, or causing doubt)
- duvidoso adj (improbable or unlikely)
- dúbio adj (subject to, or causing doubt)
- incerto adj (experiencing or showing doubt)
Romanian
2 entries- dubios adj (subject to, or causing doubt)
- îndoielnic adj (subject to, or causing doubt)
Russian
4 entries- сомнева́ющийся adj (experiencing or showing doubt)
- сомни́тельный adj (subject to, or causing doubt)
- сомни́тельный adj (undecided or of uncertain outcome)
- сомни́тельный adj (improbable or unlikely)
Scottish Gaelic
3 entries- mì-chinnteach adj (subject to, or causing doubt)
- mì-chinnteach adj (experiencing or showing doubt)
- mì-chinnteach adj (undecided or of uncertain outcome)
Spanish
2 entries- dudoso adj (subject to, or causing doubt)
- dudoso adj (improbable or unlikely)
Telugu
4 entries- సంశయాత్మకమైన adj (subject to, or causing doubt)
- సంశయాత్మకమైన adj (experiencing or showing doubt)
- సంశయాత్మకమైన adj (undecided or of uncertain outcome)
- సంశయాత్మకమైన adj (improbable or unlikely)
Tocharian B
1 entries- klänkarṣke adj (subject to, or causing doubt)
Sample sentences
13 total sentences available.
I'm doubtful about what I ought to do.
Source: tatoeba (24736)
It is doubtful whether Bill will come.
Source: tatoeba (34582)
Mrs. Harris is very doubtful about her son's future.
Source: tatoeba (35047)
Showing 4 of 13 available sentences.
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.