deportment UK /dɪˈpɔːtmənt/US /dɪˈpɔɹt.mənt/ noun4 •Bearing; manner of presenting oneself.Her deportment impressed her interviewers. •Conduct; public behavior.Their deportment changed visibly as the policeman approached. •Self-discipline.The nun's deportment reflected her vocation. •Apparent level of schooling or training.His academic deportment did not match his degree record. formsdeportments