Riyad as-Salihin
Riyad as-Salihin 1629
Prohibition of Meeting a non-Mahram Woman in Seclusion
Arabic hadith text
وعن ابن عباس رضي الله عنهما أن رسول الله صلى الله عليه وسلم قال: "لا يخلون أحدكم بامرأة إلا مع ذي محرم" ((متفق عليه)).
Translation
Ibn Abbas (May Allah be pleased with them) said
The Messenger of Allah (ﷺ) said, "No one of you should meet a woman in privacy unless she is accompanied by a Mahram (i.e., a relative within the prohibited degrees)."[Al-Bukhari and Muslim].