-YSE Meaning of -YSE in English psy ‧ cho ‧ an ‧ a ‧ lyze BrE AmE ( also -yse British English ) /ˌsaɪkəʊˈæn ə laɪz $ -koʊ-/ verb [transitive] to treat someone using psychoanalysis Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012