fissiparous /fɪˈsɪpəɹəs/ adjective3 •Factious, tending to break into pieces.There is no panacea. Iraq is a destroyed and fissiparous country. — 2005 •Causing division or fragmenting something.Was he impressed with the cohesion of the Christians among themselves, and by the contrast thus offered to the fissiparous tendencies of his feudal polity? — 1901 •Of cells that reproduce through fission, splitting into two. formsmore fissiparous · most fissiparous