Sunnah in a sentence as a noun

They always reference the Qu'ran, the hadiths and the sunnah in everything they do.

The sunnah gives a mandate for terror activities against those who don't accept Islam - Mohammed was a war lord who used deadly force to further his aims.

Sunnah definitions

noun

(Islam) the way of life prescribed as normative for Muslims on the basis of the teachings and practices of Muhammad and interpretations of the Koran

See also: Sunnah Sunna hadith