therapist Syllabification: (ther·a·pist)Pronunciation: /ˈTHerəpist/Translate therapist | into French | into German | into Italian | into Spanish Definition of therapist noun a person skilled in a particular kind of therapy:a certified massage therapist a psychoanalyst, psychologist, etc., who treats psychological problems; a psychotherapist:cost is one factor keeping them from the therapist 's couchtherapist in other Oxford dictionaries Definition of therapist in the British & World English dictionary