Meaning
Heresy, atheism, or deviation from true religion.
Literally: a turning aside, deviation
Related words
ARABIC
Kufr
Unbelief; in Sufi paradox, sometimes exalted as the lover's true faith over hollow piety.
PERSIAN
Zindeeq
A heretic or freethinker who denies revealed religion, historically applied to dualists and atheists.
ARABIC
Dahriya
A materialist or atheist who believes only in dahr (eternal time/the world) and denies the divine.