revolutionary

[rev-uh-loo-shuh-ner-ee]

adjective

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 relating to the American Revolution or to the period contemporaneous with it in U.S. history: Revolutionary heroes; Revolutionary weapons.

noun, plural rev·o·lu·tion·ar·ies.

a revolutionist.

Origin of revolutionary

First recorded in 1765–75; revolution + -ary
Related formsrev·o·lu·tion·ar·i·ly, adverbrev·o·lu·tion·ar·i·ness, nounan·ti·rev·o·lu·tion·ar·y, noun, plural an·ti·rev·o·lu·tion·ar·ies, adjectivenon·rev·o·lu·tion·ar·y, adjective, noun, plural non·rev·o·lu·tion·ar·ies.post-Rev·o·lu·tion·ar·y, adjectivepre·rev·o·lu·tion·ar·y, adjectivepro·rev·o·lu·tion·ar·y, adjectivesem·i·rev·o·lu·tion·ar·y, adjective, noun, plural sem·i·rev·o·lu·tion·ar·ies.ul·tra·rev·o·lu·tion·ar·y, adjective, noun, plural ul·tra·rev·o·lu·tion·ar·ies.un·rev·o·lu·tion·ar·y, adjective

Synonyms for revolutionary

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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British Dictionary definitions for revolutionary

revolutionary

noun plural -aries

a person who advocates or engages in revolution

adjective

relating to or characteristic of a revolution
advocating or engaged in revolution
radically new or differenta revolutionary method of making plastics
rotating or revolving
Derived Formsrevolutionarily, adverb

Revolutionary

adjective

mainly US of or relating to the conflict or period of the War of American Independence (1775–83)
of or relating to any of various other Revolutions, esp the Russian Revolution (1917) or the French Revolution (1789)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for revolutionary
adj.

1774; see revolution + -ary. As a noun, from 1850 (cf revolutionist).

Online Etymology Dictionary, © 2010 Douglas Harper