philander UK /fɪˈlændə/US /fɪˈlændəɹ/noun 3verb 1forms 3 noun3 •A lover.Yes, I'll baste you together, you and your Philander! — 1700 •A South American opossum, bare-tailed woolly opossum, of species Caluromys philander (syn. Didelphis philander). •(no longer used) A greater bilby, an Australian marsupial of species Macrotis lagotis (syn. Perameles lagotis). verb1 •To woo women; to play the male flirt.You can't be philandering after her again. — 1876 formsphilandered · philandering · philanders