unsure.
uncertain, ambivalent.
Meaning & usage
uncertain, ambivalent.
I'm still unsure whether to attend the wedding.
unstable or precarious
unsure footing
Where this word comes from
From Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure.
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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.