revolutionary

1 of 2

adjective

Synonyms of revolutionary
1
a
: of, relating to, or constituting a revolution
revolutionary war
b
: tending to or promoting revolution
a revolutionary movement/leader
c
: constituting or bringing about a major or fundamental change
a revolutionary new product
2
Revolutionary : of or relating to the American Revolution or to the period in which it occurred

revolutionary

2 of 2

noun

plural revolutionaries
1
: one engaged in a revolution
2
: an advocate or adherent of revolutionary doctrines

Examples of revolutionary in a Sentence

Adjective a candidate with a lot of crazy, revolutionary ideas that no one seems to be going for revolutionary forces that were soundly defeated before reaching the capital Noun after the collapse of the Russian monarchy, the moderate socialists briefly governed until being overthrown by the Bolshevik revolutionaries at first the government was not worried about this small band of unarmed revolutionaries
Recent Examples on the Web
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Adjective
Although engineers successfully tested the revolutionary reactor, the project was ultimately canceled in 1964 as ballistic missiles emerged as a more practical, and less environmentally catastrophic alternative. Kaif Shaikh, Interesting Engineering, 6 Aug. 2026 This revolutionary approach, inspired by Tesla's Odin, drastically cuts design time from months to just 20 minutes and accelerates production to six weeks. John Koetsier, Forbes.com, 6 Aug. 2026
Noun
Huey Newton, co-founder of the Black Panther Party, published a statement supporting the women’s and gay liberation movements as fellow revolutionaries. USA Today, 4 Aug. 2026 Trump is starving the machine that creates America's socialist revolutionaries. FOXNews.com, 28 July 2026 See All Example Sentences for revolutionary

Word History

Etymology

Adjective

revolution + -ary entry 2

Noun

revolution + -ary entry 1, after French révolutionnaire

First Known Use

Adjective

1718, in the meaning defined at sense 1a

Noun

1850, in the meaning defined at sense 1

Time Traveler
The first known use of revolutionary was in 1718

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Cite this Entry

“Revolutionary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/revolutionary. Accessed 10 Aug. 2026.

Kids Definition

revolutionary

adjective
rev·​o·​lu·​tion·​ary
ˌrev-ə-ˈlü-shə-ˌner-ē
1
a
: of, relating to, or involving a revolution
revolutionary war
b
: favoring revolution
c
: being or bringing about a big or important change
a revolutionary new product
2
capitalized : of or relating to the American Revolution
revolutionary noun

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