unprofessional

adjective un·pro·fes·sion·al \ ˌən-prə-ˈfesh-nəl , -ˈfe-shə-nᵊl \
Updated on: 15 May 2018

Definition of unprofessional

: not exhibiting a courteous, conscientious, or generally businesslike manner in the workplace : not professional
  • unprofessional attire
  • unprofessional comments

Recent Examples of unprofessional from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unprofessional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unprofessional

1770

in the meaning defined above

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