Alternative Spellings

MO, Modern Orthodox


  • 'Modern Orthodox'. Observant, but open to the outside world, general culture and education; not 'Yeshivish' or 'Haredi'.

Example Sentences

  • 'They're an M O family who go to the cinema a lot'. "He's an M O rabbi, so he always quotes the New York TImes in his sermons'. 'She's MO so she won't cover her hair'.

Languages of Origin


Who Uses This

Religious: Jews who are engaged in religious observance and have some Jewish education


North America


The JPS Dictionary of Jewish Words, by Joyce Eisenberg and Ellen Scolnic, (Philadelphia, 2001).


This used to be identified with theology associated with Yeshiva University, which is now more likely to be seen as 'RWMO'. MO is used as a faintly negative classification by Charedim, implying a liberal, not to say lax, attitude to Jewish observance. See also LWMO and RWMO.

Edit     See something you disagree with? Feel free to edit it. All changes will be moderated.