- Also schis·mat·i·cal. of, relating to, or of the nature of schism; guilty of schism.
- a person who promotes schism or is an adherent of a schismatic body.
- of, relating to, or promoting schism
- a person who causes schism or belongs to a schismatic faction
late 14c. (n.); mid-15c. (adj.), from Old French scismatique (Modern French schismatique), from Church Latin schismaticus, from Greek skhismatikos, from schisma (see schism). Used also as a noun in Old French and Late Latin. Related: Schismatical; schismatically.