doubtful, dubious, problematic, questionable mean not affording assurance of the worth, soundness, or certainty of something. doubtful implies little more than a lack of conviction or certainty. dubious …

DOUBTFUL definition: of uncertain outcome or result. See examples of doubtful used in a sentence.

DOUBTFUL definition: 1. If you are doubtful about something, you are uncertain about it: 2. If a situation is doubtful…. Learn more.

Definition of doubtful adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define doubtful. doubtful synonyms, doubtful pronunciation, doubtful translation, English dictionary definition of doubtful. adj. 1. Subject to or causing doubt: a doubtful claim; doubtful prospects.

Oct 15, 2025 · doubtful (comparative more doubtful, superlative most doubtful) Subject to, or causing doubt. Experiencing or showing doubt, skeptical. Undecided or of uncertain outcome. (obsolete) …

To be doubtful about something is to feel that it is open to question or that more evidence is needed to prove it: to be doubtful about the statements of witnesses.

If you say that something is of doubtful quality or value, you mean that it is of low quality or value.

doubtful meaning, definition, what is doubtful: probably not true or not likely to happe...: Learn more.

Causing doubt; dubious; ambiguous; uncertain; not distinct in character, meaning, or appearance; vague: as, a doubtful expression; a doubtful hue. Admitting of or subject to doubt; not obvious, clear, …