professional person pro·fes·sio·nalperson uncommon noun 1. a person engaged in one of the learned professions Synonymsprofessionalprofessional person Related words Broader terms adult Narrower terms careeristcraftsmancriticeducatorhealth professionallawyerlibrarianpractitioner Parts professional organization WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.