(Pharaoh) said, “This Rasul who has been disclosed to you is most definitely possessed.” (Most of the Rasuls have been accused of being possessed after they have conveyed the reality.)
Al-muntakhab fi tafsir al-Qur'an al-Karim
"Your Messenger", Pharaoh said to his people, "who has been sent to you is indeed out of his mind and he is carried away by enthusiasm or desire"