Deaf, dumb and blind of Reason! They will not return to begin their journey in the right direction (until they use their faculties of perception and reasoning ((8:22), (16:76), (17:36))
Deaf (unable to perceive), dumb (unable to articulate the reality) and blind (unable to grasp the obvious truth); they cannot return to their essential reality!
Sayyed Abbas Sadr-Ameli
(They are) deaf, dumb, blind so they shall not return (to the right path)
Al-muntakhab fi tafsir al-Qur'an al-Karim
Deaf and dumb, insensible to light, they are unable to retrace their steps that lead them into error