Synonyms: revolutionary, revolutionist, subversive, subverter
Definition: a radical supporter of political or social revolution
Similar words: radical
Definition: a person who has radical ideas or opinions
Synonyms: radical, revolutionary
Definition: markedly new or introducing radical change
Usage: a revolutionary discovery; radical political views
Similar words: new
Definition: not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered
Usage: a new law; new cars; a new comet; a new friend; a new year; the New World