Definition of unsure in US English:



  • 1Not feeling, showing, or done with confidence and certainty.

    ‘she was feeling nervous, unsure of herself’
    with clause ‘she was unsure how to reply’
    • ‘The manager hesitated, unsure of whether or not he should tell her of the commando unit that had taken his staff room.’
    • ‘The inferences made by the psychologists in your report suggest she is insecure or unsure of herself which is why she overreacts so much.’
    • ‘They're usually reticent, unsure of themselves, hesitant to get involved in a discussion.’
    • ‘If you are unsure of your preferences, there are certain characteristics of each style that may help you to decide.’
    • ‘At one time or another, every starter has seemed hesitant and unsure of either the snap count or his assignment.’
    • ‘If you're unsure about a certain switch then you will find a most innovative quick reference fold out card in the glovebox.’
    • ‘I stand quietly under that glare, unsure of how to reply to such a statement.’
    • ‘With no one to listen to them, they get trapped in their problems and grow up diffident and unsure of their abilities.’
    • ‘AT THE end, he walked to the side of the pitch and hesitated, unsure of what to do in the moment.’
    • ‘Her mother hesitated, unsure of what to do, but when Allyson held on, she slowly wrapped her arms around her as well.’
    • ‘Marines engaging in their first combative exercise were often timid and unsure of themselves.’
    • ‘People with bulimia are often unsure of themselves, lack confidence in their abilities or suffer from depression.’
    • ‘Now the city seems hesitant and confused and unsure of itself.’
    • ‘Your confidence is gone, because you are unsure of who you are now and how to be with others.’
    • ‘He had lost his confidence on the course and a horse who is unsure of himself is certainly not ready for an Olympic Games.’
    • ‘Feeling anxious and unsure of herself, Maxie headed for the door, nearly tripping over a chair in the process.’
    • ‘Some firms are unsure of which systems to install and are fearful of getting it wrong.’
    • ‘It is a common error for such instructions to be omitted and for respondents either to be unsure about how to reply or to make inappropriate selections.’
    • ‘Most people may be unsure about where to draw the line between privacy and security, but at least the issue is being brought to their attention.’
    • ‘It's overly simplistic to label a player insecure or unsure of his masculinity.’
    unconfident, not confident, lacking confidence, lacking self-confidence, not self-assured, lacking assurance, unassertive
    undecided, irresolute, dithering, equivocating, in two minds, in a dilemma, in a quandary, ambivalent, vague
    dubious, doubtful, sceptical, distrustful, suspicious, mistrustful, uncertain, unconvinced
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    1. 1.1 (of a fact) not fixed or certain.
      ‘the date is unsure’
      • ‘It is just that the opening date was unsure.’
      not fixed, not settled, undecided, indeterminate, uncertain, unknown
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