- of, relating to, or of the nature of sedition.
- given to or guilty of sedition.
- of, like, or causing sedition
- inclined to or taking part in sedition
adj.mid-15c., from Middle French seditieux, from Latin seditiosus “full of discord, factious, mutinous,” from seditio (see sedition). Related: Seditiously; seditiousness.