SCHISMAT'ICAL, adjective sizmat'ical. Pertaining to schism; implying schism; partaking of the nature of schism; tending to schism; as schismatical opinions or proposals. SCHISMAT'IC, noun One who separates from an established church or religious faith, on account of a diversity of opinions.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI