of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change

a revolutionary junta.

radically new or innovative; outside or beyond established procedure, principles, etc.

a revolutionary discovery.

( initial capital letter ) of or pertaining to the American Revolution or to the period contemporaneous with it in U.S. history

Revolutionary heroes; Revolutionary weapons.

revolving.

a revolutionist.

adjective

anarchistic , defiant , disobedient , disorderly , factious , insubordinate , insurgent , mutinous , radical , rebel , rioting , riotous , subversive , warring , advanced , advancing , avant-garde * , contemporary , cutting edge * , developing , forward-looking , innovative , just out , latest , left , modern , novel , open-minded , state-of-the-art * , up-and-coming * , extremist , fanatic , fanatical , rabid , ultra , rebellious

noun

insurgent , insurrectionary , insurrectionist , mutineer , revolutionist , fanatic , radical , ultra , zealot