intestable

[ in-tes-tuh-buh l ]
/ ɪnˈtɛs tə bəl /

adjective Law.

not legally qualified to make a will, as an infant or a lunatic.

Origin of intestable

1580–90; < Latin intestābilis disqualified from bearing witness, equivalent to in- in-3 + testā(rī) to bear witness + -bilis -ble; see testify