1. (v. i.) To carry on an extramarital affair with a woman one does not intend to marry\.

2. (n.) A lover.

3. (n.) A South American opossum (Didelphys philander).

4. (n.) An Australian bandicoot (Perameles lagotis).

Casanova Don Juan be promiscuous cast coquettish glances chase chase women chaser commit adultery coquet dally debauch dissipate eye flirt fool around fornicate gallivant gold-dig grovel lady-killer look sweet upon make eyes at masher mess around ogle philanderer play around pursue rake run around skirt chaser sleep around swing trifle wallow wanton whore wolf woman womanize