or mom·ser, mom·zer
- bastard; illegitimate child.
- Slang. rascal.
- a child born of a marriage forbidden in Judaism.
Origin of mamzer
- a Yiddish slang word for bastard
- Judaism a child of an incestuous or adulterous union
Word Origin for mamzer
"contemptible person, moocher," 1560s, from Hebrew, literally "bastard" (used in Vulgate), but modern usage is a recent borrowing from Yiddish.
"bastard," 1560s, from Late Latin mamzer, from Hebrew mamzer, left untranslated in Deut. xxiii:2 in the Vulgate.