apikores
noun
api·ko·res
variants or apikoros
ˌäpēˈkȯrəs
plural apikorsim
-rsə̇m
: a Jew who is lax in observing Jewish law or who does not believe in Judaism
also : skeptic, atheist
Word History
Etymology
Yiddish & Hebrew; Yiddish apikurus, from Hebrew apīqōrōs, from Greek Epikouros Epicurus