philanderer
noun
[ fɪˈland(ə)rə ]
• a man who readily or frequently enters into casual sexual relationships with women; a womanizer.
• "he was known as a philanderer"
Similar:
womanizer,
Casanova,
Don Juan,
Lothario,
flirt,
ladies' man,
playboy,
Romeo,
seducer,
rake,
roué,
libertine,
debauchee,
stud,
player,
playa,
skirt-chaser,
ladykiller,
wolf,
gay dog,