noun, plural se·di·tion·ar·ies.
Examples from the Web for seditionist
If he entered that city at all, it must be as a conqueror; because as a seditionist his head was wanted there.Operas Every Child Should Know|Mary Schell Hoke Bacon
Many a Serb seditionist had seen the light of day for the last time in that old moat.The Iron Ration|George Abel Schreiner
I therefore consent to be deemed a Democrat and a Seditionist.Letters of Samuel Taylor Coleridge, Vol. I (of 2)|Samuel Taylor Coleridge