philanderernoun [ C ]
uk/fɪˈlæn.dər.ər/us/fɪˈlæn.dɚ.ɚ/old-fashioned disapprovinga man who enjoys having sex with a lot of different women without becoming emotionally involved with any of them
philandering
adjective, noun [ U ] uk/fɪˈlæn.dər.ɪŋ/us/fɪˈlæn.dɚ.ɪŋ/