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English definition of “unsure”

unsure

adjective uk   /ʌnˈʃɔːr/ us    /-ˈʃʊr/
B2 not certain or having doubts: I'm a bit unsure about what to do next - can you help me? unsure of yourself C2 without confidence in yourself: As a new teacher I was very unsure of myself when I was in front of a class.
(Definition of unsure from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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