English

Definition of over-optimistic adjective from the Oxford Advanced Learner's Dictionary

     

    over-optimistic

     adjective
    adjective
    BrE
     
    ; NAmE
     
    Confident
     
    jump to other results
  1. 1too confident that something will be successful I'm not over-optimistic about my chances of getting the job. See related entries: Confident
  2. 2showing more confidence that something will be successful than is justified by later events The sales forecasts turned out to be over-optimistic.