Abu Hurairah reported the Prophet ﷺ as saying “ A woman who has been previously married should not be married until her permission is asked nor should a virgin be married without her permission. “They (the people) asked “What is her permission, Apostle of Allaah ﷺ? He replied “it is by her keeping silence.”
أَنَّ النَّبِيَّ ﷺ قَالَ لاَ تُنْكَحُ الثَّيِّبُ حَتَّى تُسْتَأْمَرَ وَلاَ الْبِكْرُ إِلاَّ بِإِذْنِهَا قَالُوا يَا رَسُولَ اللَّهِ وَمَا إِذْنُهَا قَالَ أَنْ تَسْكُتَ