pseudofolliculitis UK /ˌs(j)uː.dəʊ.fəˌlɪ.kjʊˈlaɪ.tɪs/US /ˌsu.doʊ.fəˌlɪ.kjʊˈlaɪ.tɪs/ noun1 •A condition resembling folliculitis, usually caused by shaving.