doubtful.
Subject to, or causing doubt.
Meaning & usage
Subject to, or causing doubt.
Experiencing or showing doubt, skeptical.
Undecided or of uncertain outcome.
Fearsome, dreadful.
Improbable or unlikely.
Suspicious, or of dubious character.
Unclear or unreliable.
Where this word comes from
From Middle English doutfull, douteful, equivalent to doubt + -ful.
A doubtful person or thing.
Where this word comes from
From Middle English doutfull, douteful, equivalent to doubt + -ful.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.