1. 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
   "Islamism is a complete way of life, not a Sunday religion";
   - Islam, Mohammedanism [archaic], Muhammadanism [archaic], Muslimism
    
2. A fundamentalist Islamic revivalist movement generally characterized by moral conservatism and the literal interpretation of the Koran and the attempt to implement Islamic values in all aspects of life

Type of: faith, monotheism, organised religion [Brit], organized religion, religion, religious movement

Encyclopedia: Islamism