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unsure Meaning, Definition & Usage

  1. adjective lacking self-confidence
    shy; timid; diffident.
    • stood in the doorway diffident and abashed
    • problems that call for bold not timid responses
    • a very unsure young man
  2. adjective lacking or indicating lack of confidence or assurance
    incertain; uncertain.
    • uncertain of his convictions
    • unsure of himself and his future
    • moving with uncertain (or unsure) steps
    • an uncertain smile
    • touched the ornaments with uncertain fingers