1. a man who has casual romantic relationships with many women
Usage: often disapproving

Examples

• She discovered her husband was a philanderer who had been seeing other women.
• The wealthy philanderer was known for his string of brief romances.
• He had a reputation as a philanderer in college but settled down after marriage.
• The novel’s protagonist was a charming philanderer who broke many hearts.
• Her friends warned her that he was a notorious philanderer.
• The philanderer’s behavior eventually caught up with him when his wife filed for divorce.