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unprofessional

adjective
 
 
/ˌʌn.prəˈfeʃ.ən.əl/

Definition

C1 not showing the standard of behaviour or skill that is expected of a person in a skilled job: Doctor Rivers was charged with gross negligence and improper use of dangerous drugs.Employment status and types of workBad and wrong behaviourDisobedientObeying and breaking the lawObedient and compliant unprofessionally
 
 
/-i/ adverb
Bad and wrong behaviourDisobedientObeying and breaking the lawObedient and compliant
(Definition of unprofessional adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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