revolutionary

1 of 2

adjective

Synonyms of revolutionarynext
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
After all, this is a city best enjoyed layer by revolutionary layer. Regan Stephens, New York Times, 2 July 2026 Erdős’ approach, known as the probabilistic method, was simple but revolutionary. Leila Sloman, Quanta Magazine, 26 June 2026
Noun
The genteel record producer did not look the part of a revolutionary. David Kamp, Air Mail, 13 June 2026 The revolutionaries were successful after four hours but at the cost of 94 lives. USA Today, 29 June 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

Browse Nearby Words

Cite this Entry

“Revolutionary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/revolutionary. Accessed 7 Jul. 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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