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

ambitious

adjective
 
/æmˈbɪʃəs/
 
/æmˈbɪʃəs/
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  1. determined to be successful, rich, powerful, etc.
    • a fiercely ambitious young manager
    • They were very ambitious for their children (= they wanted them to be successful).
    Extra Examples
    • I am very ambitious. Nothing means more to me than winning.
    • I'm not ambitious enough to try for the top.
    • I've never been particularly ambitious.
    • She's a great student—dedicated, hardworking and ambitious.
    • The students are all ambitious to do well.
    Topics Successb1, Personal qualitiesb1
    Oxford Collocations Dictionaryverbs
    • be
    • seem
    adverb
    • extremely
    • fairly
    • very
    preposition
    • for
    See full entry
  2. needing 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?
    • Several interns will be working on three ambitious new projects.
    Extra Examples
    • Phases 2 and 3 seem overly ambitious.
    • The book is ambitious in scope.
    Topics Difficulty and failureb2
    Oxford Collocations Dictionaryverbs
    • be
    • seem
    adverb
    • extremely
    • fairly
    • very
    preposition
    • in
    See full entry
  3. opposite unambitious
    Word Originlate Middle English: from Old French ambitieux or Latin ambitiosus, from ambitio, from ambire ‘go around (canvassing for votes)’.
See ambitious in the Oxford Advanced American DictionarySee ambitious in the Oxford Learner's Dictionary of Academic English
sufficiently
adverb
 
 
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