Definition of unsure adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌʌnˈʃʊə(r)//
    , BrE//ˌʌnˈʃɔː(r)//
    ; NAmE NAmE//ˌʌnˈʃʊr//
    [not before noun]
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  1. 1not certain of something; having doubts unsure about/of something There were a lot of things I was unsure about. unsure how, what, etc… I was unsure how to reply to this question. unsure of/as to how, what, etc… He was unsure of what to do next. They were unsure as to what the next move should be.
  2. 2unsure (of yourself) lacking confidence in yourself Like many women, deep down she was unsure of herself. opposite sure
  3. Extra examples I felt a bit unsure about him. If you’re still unsure about what you are supposed to do, speak up! She was rather unsure of her reception. We were unsure as to what to do next.
See the Oxford Advanced American Dictionary entry: unsure