American English

Definition of ambitious adjective from the Oxford Advanced American Dictionary

     

    ambitious

     adjective
    adjective
    NAmE//æmˈbɪʃəs//
     
     
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  1. 1determined to be successful, rich, powerful, etc. a fiercely ambitious young manager They were very ambitious for their children (= they wanted them to be successful).
  2. 2needing a lot of effort, money, or time to succeed the government's ambitious plans for social reform Jogging every morning? That's very ambitious, isn't it? opposite unambitious
ambitiously adverb
 
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See the Oxford Advanced Learner's Dictionary entry: ambitious