Open Orthodox


Open Orthodox (O-pihn OR-thuh-dox) listen


  • n. A breakaway movement to the left of Modern Orthodoxy, declared outside of acceptable Orthodox boundaries by most mainstream Orthodox rabbis.

Example Sentences

Languages of Origin

  • English

Who Uses This

  • Religious: Jews who are engaged in religious observance and have some Jewish education
  • Orthodox: Jews who identify as Orthodox and observe halacha (Jewish law)
  • Organizations: People involved in a professional or volunteer capacity with Jewish nonprofit organizations


  • North America
  • Australia / New Zealand


  • None


  • Noun form: Open Orthodoxy
    Abbreviation: OO.

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