1. A person of illegitimate birth; a bastard.
Usage: Yiddish origin; archaic or literary; sometimes offensive
2. A disreputable, untrustworthy, or contemptible person.
Usage: informal; Yiddish origin; derogatory

Examples

• In the old novel, the momzer was cast out by his family.
• He's a real momzer—you can't trust a word he says.
• The character was born a momzer and spent his life seeking acceptance.
• Don't do business with that momzer; he'll cheat you.
• The Yiddish word momzer has entered English as a colorful insult.