revolutionary
/ˌrɛvəˈluːʃəˌneri/ /Brit ˌrɛvəˈluːʃənri/
adjective
always used before a noun :relating to, involving, or supporting a political revolution
[more ~; most ~] :causing or relating to a great or complete change
noun
plural -aries
[count] :someone who leads, joins, or wants a revolution
US