-shəs adjective
Etymology: Middle English, from Middle French seditieux, from Latin seditiosus, from seditio sedition + -osus -ous
1. : disposed to arouse or take part in or guilty of sedition : factious , turbulent
a seditious agitator
2. : of, relating to, of the nature of, or tending to excite sedition
the punishment of seditious utterances — J.L.O'Brian
Synonyms: see insubordinate