Jahannam in English dictionary Jahannam Meanings and definitions of "Jahannam" (Islam) Islamic concept of hell, where unfaithful Muslims not true to their religion will be punished, but will eventually be forgiven. proper (Islam) Islamic concept of hell, where unfaithful Muslims not true to their religion will be punished, but will eventually be forgiven. Islamic concept of hell more Sample sentences with "Jahannam" Declension Stem Try again Available translations Arabic Azerbaijani Bangla Bashkir Bosnian Croatian French Galician German Hindi Indonesian Italian Kazakh Malay Persian Portuguese Russian Serbian Serbo Croatian Spanish Tajik Tatar Turkish Urdu Authors