A revolutionary is a person who either participates in, or advocates for, a revolution. [1] The term revolutionary can also be used as an adjective to describe something producing a major and sudden … 5 days ago · The meaning of REVOLUTIONARY is of, relating to, or constituting a revolution. How to use revolutionary in a sentence. involved in or relating to a revolution: 2. completely new and having a great effect: 3…. REVOLUTIONARY definition: of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change. See examples of revolutionary used in a sentence. May 21, 2020 · Mix - Josh Wilson - Revolutionary (Official Lyric Video) Jack Cassidy - Let Go, Let God (Official Lyric Video) Austin French - Wake Up Sleeper (Official Lyric Video) Define revolutionary. revolutionary synonyms, revolutionary pronunciation, revolutionary translation, English dictionary definition of revolutionary. often Revolutionary Relating to or being a … A revolutionary person fearlessly advocates radical change. Revolutionary people and ideas challenge the status quo and might be violent or willing to upset the natural order to achieve their goals. What is the etymology of the word revolutionary? revolutionary is formed within English, by derivation. Etymons: revolution n., ‑ary suffix1.