revolutionary: Meaning and Definition of

rev•o•lu•tion•ar•y

1. of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
2. radically new or innovative; outside or beyond established procedure, principles, etc.: a revolutionary discovery.
3. (cap.) of or pertaining to the American Revolution or to the period contemporaneous with it in U.S. history: Revolutionary heroes; Revolutionary weapons.
4. revolving.

1. a revolutionist.