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

unprofessional

adjective
 
/ˌʌnprəˈfeʃənl/
 
/ˌʌnprəˈfeʃənl/
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  1. not reaching the standard expected in a particular profession
    • She was found guilty of unprofessional conduct.
    opposite professional compare non-professional
    Oxford Collocations DictionaryUnprofessional is used with these nouns:
    • conduct
    See full entry
See unprofessional in the Oxford Advanced American Dictionary
trait
noun
 
 
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