unsound mind

A mind more or le insane. If this be proved in the case of one making a will it vitiates the instrument; but the evidence required from the individual impeaching the will must be very cogent, or it will fail. *un-sound-a-ble, adj . [Pref. un- (1), and Eng. soundable.] Incapable of being sounded; unfathomable, profound. "Deep and unsoundable by us."- Leighton : Commentary on 1 Peter ii. *un-sound-ed (1), a. [English unsound; -ed.] Made unsound, unhealthy, or diseased; marred. "His greevous hurts, his sores eke unsounded ." Lydgate : Story of Thebes , pt. ii. un-sound-ěd (2), a . [Pref. un- (1), and English sounded.] Not sounded; not tried with or as with a sounding-line; not examined, tried, or tested. "Gloster is a man Unsounded yet." Shakesp.: Henry VI ., Pt . II . , iii. 1. un-sound-ly, adv . [Eng. unsound; -ly .] In an unsound manner; not soundly. "Unsoundly taught and interpreted."-Hooker: Eccles. Politie. (Pref.)