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English definition of “unprofessional”

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unprofessional

adjective uk   /ˌʌn.prəˈfeʃ.ən.əl/ us  
C1 not showing the standard of behaviour or skill that is expected of a person in a skilled job: Doctor Rivers was charged with unprofessional conduct and improper use of dangerous drugs.
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unprofessionally
adverb uk   /-i/ us  
(Definition of unprofessional from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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