• n. Menstrual impurity; often used to refer to the entire body of Jewish law surrounding the practice of abstaining from intercourse during the menstrual cycle.

Example Sentences

  • "I learned about niddah in my kallah class."

Languages of Origin

  • Textual Hebrew


  • נידה

    • Who Uses This

      • Orthodox: Jews who identify as Orthodox and observe halacha (Jewish law)


      • North America


      • The JPS Dictionary of Jewish Words, by Joyce Eisenberg and Ellen Scolnic, (Philadelphia, 2001).
      • Dictionary of Jewish Usage: A Popular Guide to the Use of Jewish Terms, by Sol Steinmetz (Lanham, MD, 2005).

      Alternative Spellings

      nidah, nidda, nida

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