American English

Definition of kosher adjective from the Oxford Advanced American Dictionary



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  1. 1(of food) prepared according to the rules of Jewish law a kosher meal They attend synagogue and keep kosher (= obey the Jewish food laws). a kosher butcher/restaurant (= one that prepares or serves this food).
  2. 2(informal) honest or legal Their business deals are not always completely kosher.
See the Oxford Advanced Learner's Dictionary entry: kosher