Imaam Abdul Azeez Bin Baaz (rahimahullaah) said: A husband cursing his wife is an evil thing. It is not permissible; rather it is from the major sins due to established (narration) from the Prophet (sallal-laahu-alayhi-wasallam) that he said: ‘’Cursing a Muslim is like killing him (or her).’’

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[Source: Al-Fataawaa 3/217]