doubtful

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doubtful

  • /ˈdaʊtfəl/

Where it comes from

From Middle English doutfull, douteful, equivalent to doubt + -ful.

adjective more doubtful · most doubtful · doubtfull

  1. Subject to, or causing doubt.
  2. Experiencing or showing doubt, skeptical.
  3. Undecided or of uncertain outcome.
  4. obsolete Fearsome, dreadful.
  5. Improbable or unlikely.
  6. Suspicious, or of dubious character. Yet it is not the predominant views of the experts but the views of a minority, mostly of rather doubtful standing in their profession, which are taken up and spread by the intellectuals.
  7. Unclear or unreliable. The pupils of her great eyes were large in the doubtful lamplight, swallowing their green fires in deep pools of mystery and darkness.

noun doubtfuls · doubtfull

  1. A doubtful person or thing. They had their lists of Liberals and of the doubtfuls who still remained doubtful. As the election drew near, the force of the whole organization was turned upon these unrepentant doubtfuls.

Thesaurus

Closest in meaning: dubious, incertain, unsure, questionable, uncertain, dubitable, unsettled, in question, tentative, iffy, suspect, suspicious, suspected, ambiguous, unclear, equivocal

Translations

Every language

adj subject to, or causing doubt

Españoldudoso
हिन्दीसंदेहास्पद sandehāspad
Portuguêsduvidoso, dúbio
Françaisdouteux, douteuse
Deutschzweifelhaft
Italianodubbio
Ελληνικάαμφίβολος amfívolos
Românădubios, îndoielnic
Русскийсомни́тельный somnítelʹnyj

adj experiencing or showing doubt

हिन्दीसंदेहास्पद sandehāspad
Portuguêsincerto
Deutschzweifelnd
Italianodiscutibile
Русскийсомнева́ющийся somnevájuščijsja

adj undecided or of uncertain outcome

Portuguêsincerto
Deutschzweifelhaft
Italianoincerto
Русскийсомни́тельный somnítelʹnyj

adj improbable or unlikely

Españoldudoso
Portuguêsduvidoso
Deutschzweifelhaft
Italianoimprobabile
Русскийсомни́тельный somnítelʹnyj

adj suspicious, or of dubious character

Deutschzweifelhaft
Italianosospetto

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Cite this
MLA

"doubtful." Wiktionary, via Micwyn, micwyn.com/word/doubtful. Accessed 6 Nov. 2026.

APA

doubtful. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/doubtful

Chicago

"doubtful." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/doubtful.

BibTeX
@misc{doubtful_2026,
  title = {doubtful},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/doubtful},
  urldate = {2026-11-06}
}