unsure B2 Topic:Mind & Cognition US /ənˈʃʊr/ See IPA manual Freq #16448 Meanings 1 adj Not certain; not knowing what to think or do I'm still unsure whether to attend the wedding. 2 adj Lacking confidence in yourself She felt unsure of herself during the interview. Thesaurus Synonyms 1 adj · not certain; not knowing... uncertain 2 adj · lacking confidence in yourself shy More agnostic Etymology AI details From Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure. unsure Middle English View etymology graph -> Topics Mind & Cognition External links Cambridge Dictionary Wiktionary Google Images # unsure **Type:** Word **Level:** B2 **Part of speech:** adj **IPA (US):** /ənˈʃʊr/ **Frequency rank:** 16448 ## Meanings 1. Not certain; not knowing what to think or do 2. Lacking confidence in yourself ## Examples - I'm still unsure whether to attend the wedding. - She felt unsure of herself during the interview. ## Synonyms - agnostic ## Roots and Affixes - Root: unsure ## Etymology From Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure. ## AI Etymology Unsure is from Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure. The historical line also includes Middle English unsure. In present-day use, it can mean not certain; not knowing what to think or do, or lacking confidence in yourself. ## Topics - Mind & Cognition markdown