If someone who is certain that water is not harmful for him performs ghusl or wuḍūʾ and afterwards realises that water was harmful for him, his wuḍūʾ or ghusl is void. 4. Hardship (ḥaraj) and excessive difficulty (mashaqqah) 2. Not having access to water العربية فارسی اردو English Azərbaycan Türkçe Français