Added 10 October 2026 mohammedanism noun Categories: Mind & IdeasRare Words noun ! Definition from WordNet 3.1, Princeton University. More about mohammedanism at Wordnik → Where our words come from → The monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran. Islam is a complete way of life, not a Sunday religion Related Words: muhammadanismmuslimismislamismislammohammadanismmohammedismmuhammedanismmahomedanismmohamedanismmuhammedismmahommedanismmuhamedanism Back to today's word