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
It was inaugurated in 1960, in time for the Olympics, and had a revolutionary design with viewing galleries at the front and back of the train that allowed passengers to take in the scenery. — Laura Itzkowitz, Travel + Leisure, 26 Sep. 2026 The revolutionary ulnar collateral ligament reconstruction allowed John to win an additional 164 games, more than half of his career total of 288 victories. — Assistant Sports Editor, Los Angeles Times, 25 Sep. 2026
Noun
Exiled revolutionaries needed somewhere to go, as did poorer residents who were hoping the revolution would improve conditions. — Blaise Mesa, jsonline.com, 18 Sep. 2026 The series follows an exiled revolutionary forced to return to Uruguay and confront his past. — Anna Marie De La Fuente, Variety, 9 Sep. 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 3 Oct. 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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