The term 'no longer in fashion' can be expressed in five different ways: 'passe' (5 letters), 'DEMODE' (6 letters), 'DATED' (5 letters), 'OUT' (3 letters), and 'oldhat' (6 letters). All of these words refer to something that is no longer fashionable or popular, and has become outdated. The term 'passe' is French for 'passed by' or 'OUT of date', while 'DEMODE' is a French word meaning 'OUT of fashion'. 'DATED' refers to something that is no longer current, while 'OUT' implies that something is no longer accepted or used. Finally, 'oldhat' is an informal expression meaning something that is no longer new or interesting.