dubious.
Arousing doubt; questionable; open to suspicion.
Meaning & usage
Arousing doubt; questionable; open to suspicion.
After he made some dubious claims about the company, fewer people trusted him.
They were renowned as people of dubious morals.
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.
Generally considered imprecise or wrong, but not totally unplayable.
Where this word comes from
From Latin dubius; like doubt, from Latin duo (cognate to English two), implying “two alternatives” (yes or no, true or false, etc.).
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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.