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English definition of “optimistic”

optimistic

adjective     /ˌɒptɪˈmɪstɪk/
B2 always believing that good things will happen: We're optimistic about our chances of success. [+ (that)] I'm not optimistic that we'll reach an agreement. → Opposite pessimisticHoping and hopefulnessPotential
(Definition of optimistic adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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