Bid'ah

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In Islam, bidʿah (Arabic: بدعة [ˈbɪdʕæ], lit. 'innovation') refers to innovation in religious matters.^[1] Linguistically, the term means "innovation, novelty, heretical doctrine, heresy".^[2] Despite its common use in Muslim texts, the term is not found in the Qur'an.

In classical Arabic literature (Arabic: أدب, romanized: adab), it has been used as a form of praise for outstanding compositions of prose and poetry.^[3]