INTEST'ABLE, adjective [Latin intestabilis; in and testabilis; testis, a witness; testor, to testify.] Not capable of making a will; legally unqualified or disqualified to make a testament; as, a person unqualified for want of discretion, or disqualified by loss of reason, is intestable
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI