Entry 3 senses · 3 variants Webster, 1913 Philander /fəl-ăn'-dẽr/ · Phi·lan·der · IPA /fɪˈlændəɹ/ v. i. n. n. 01 v. i. To make love to women; to play the male flirt. 1. To make love to women; to play the male flirt. “You can't go philandering after her again.” — G. Eliot. 02 n. A lover. 1. A lover.[R.] 03 n. A South American opossum (Didelphys philander). 1. A South American opossum (Didelphys philander).(Zool.)