unsound

be of unsound mind

To have impaired or dysfunctional thought, memory, and/or cognitive understanding; unable to think and/or understand for oneself. My poor grandfather has been of unsound mind ever since he suffered that stroke last year.

of unsound mind

Having impaired or dysfunctional thought, memory, and/or cognitive understanding; unable to think and/or understand for oneself. My poor grandfather has been of unsound mind ever since he suffered that stroke last year.

Common Names:

Name	Pronounced	Usage
Estebe	-	Basque
Burnett	[bə(:)'net]
Nethaniah	neth-ə-NIE-ə (English)	Biblical
Darina (1)	-	Irish
Babatunde	-	Western African, Yoruba
Xavier	ZAY-vee-ər (English), ZAY-vyər (English), ig-ZAY-vee-ər (English), za-VYE (French), sha-VYER (Portuguese)	English, French, Portuguese, Catalan, Spanish (Archaic)