Definition of unsure adjective from the Oxford Advanced American Dictionary

     

    unsure

     adjective
    adjective
    NAmE//ʌnˈʃʊr//
     
    , NAmE//ʌnˈʃər//
     
    [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
See the Oxford Advanced Learner's Dictionary entry: unsure