The word "philanderer" refers to a person who engages in casual sexual relationships, often with multiple partners. There are several synonyms for this term, including womanizer, playboy, seducer, rake, and Casanova. Each of these words carries its own connotations, but all refer to someone who is not interested in long-term, committed relationships. Some other related terms include Don Juan, Lothario, and skirt-chaser. While the idea of a philanderer can be seen as glamorous or exciting in popular culture, it is important to remember that engaging in such behavior can be hurtful and disrespectful to others.