Definition of overambitious adjective from the Oxford Advanced Learner's Dictionary

     

    overambitious

     adjective
    adjective
    BrE BrE//ˌəʊvəræmˈbɪʃəs//
     
    ; NAmE NAmE//ˌoʊvəræmˈbɪʃəs//
     
     
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  1. 1(of a person) too determined to be successful, rich, powerful, etc.
  2. 2(of a plan, task, etc.) unsuccessful or likely to be unsuccessful because of needing too much effort, money or time Her plans were overambitious.
See the Oxford Advanced American Dictionary entry: overambitious