Is the aforementioned act—that is, feigning prayer without being in a state of purity or, at times, while in a state of ritual impurity (janabah)—considered major disbelief (kufr akbar), and does it necessitate the renewal of the marriage contract if it occurred after the contract and before consummation?
Whoever prays without purification knowingly and intentionally has committed a grave sin, but this does not constitute disbelief (kufr) according to the majority of scholars. This is the more preponderant view. The one who does this must repent and make up the prayers he performed without purification.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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