indubious.
Not dubious or doubtful; certain.
Meaning & usage
Not dubious or doubtful; certain.
Not doubting; unsuspecting.
Where this word comes from
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in- Latin dubius Latin indubiusder. English indubious Derived from Latin indubius. By surface analysis, in- + dubious.
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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.