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on duty

Definition of on duty

  1. :  working at a particular time <I can't take any personal calls while I'm on duty.>

Word by Word Definitions

  1. :  conduct due to parents and superiors :  respect

    :  obligatory tasks, conduct, service, or functions that arise from one's position (as in life or in a group)

    :  assigned service or business

  1. :  done as a duty

    :  being on duty :  assigned to specified tasks or functions

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