Definition of chametz in English:


(also chometz)


mass nounJudaism
  • Leaven or food mixed with leaven, prohibited during Passover.

    • ‘For the few days of Passover, chametz and matzah are antithetical.’
    • ‘This requirement is based on the Biblical injunction that during Passover no chometz be eaten.’
    • ‘Now I know why people search for chametz before Pesach.’
    • ‘A Jew may not eat chametz or derive benefit from it during Passover.’
    • ‘Just as chametz makes bread look bigger than it is without adding any substance, so too an ego filled with self importance is ultimately nothing but hot air.’


Mid 19th century: from Hebrew ḥāmēṣ.