in ‧ tes ‧ tate /ɪnˈtesteɪt, -stət/ BrE AmE adjective law
[ Date: 1300-1400 ; Language: Latin ; Origin: testatus , past participle of testari 'to make a will' ]
die intestate to die without having made a ↑ will (=a statement about who you want to have your property after you die)