Reactionary Meaning

/ɹiˈækʃən(ə)ɹi/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

Listen pronunciation

adjExtremely conservative; opposing revolution (such as the French Revolution); favoring a return to a "golden age" of the past.

adjOf, pertaining to, participating in, or inducing a chemical reaction.

A conservative is not always a reactionary.
Reactionary groups were overthrown by the people.
Conservatives think I'm an SJW, and liberals think I'm a reactionary.
Synonyms:
Antonyms:
CEFR Practice Quiz
The conservative politician was labeled a ____ because he opposed all new reforms in parliament.
CEFR Practice Quiz (Alternate)
The ____ faction within the party opposed any reform and sought to return to traditional values.

Borrowed from French réactionnaire, equivalent to reaction + -ary. Used in the time of the French revolution to refer to a person opposing the revolution; as in favoring a reaction against the revolution.

"There's a fairly simple reason for the embrace of radicalism on the right, and it has to do with the reactionary imperative that lies at the core of conservative doctrine. […] If he is to preserve what he values, the conservative must declare war against the culture as it is." — 2011 September 29, Corey Robin, The Reactionary Mind: Conservatism from Edmund Burke to Sarah Palin, New York: Oxford University Press, →ISBN, →OL, page 25:
"[Jeffrey] Epstein was interested in transhumanism, a theory of human perfection via technological manipulation that—like its predecessor, eugenics—is shot through with racist and reactionary ideas." — 2019 August 7, Marissa Brostoff, Noah Kulwin, “The Right Kind of Continuity”, in Jewish Currents, archived from the original on 14 Jan 2025:
"Within certain MAGA circles, to criticize someone for being too racist or reactionary is a betrayal, signaling an acceptance of the very liberal morality that the movement’s vanguard seeks to destroy." — 2025 November 4, Michelle Goldberg, “Nick Fuentes Is Becoming Charlie Kirk’s Successor”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 04 Nov 2025:
"Psychiatry extends the theory into biology in the belief that all human behavior is nothing more than a series of reactionary chemical processes in the brain that determine pre-coded genetic responses built up from the conditioning of one’s environment." — 2013 April 11, Brandon Smith, “Are Individuals The Property Of The Collective?”, in Alt-Market, archived from the original on 05 Mar 2016:
"The regulator noted that reduced service levels and passenger numbers helped deliver strong performance, with fewer reactionary delays." — 2020 December 16, “Network News: ORR praises Network Rail's response to pandemic”, in Rail, page 13:

Explore More C1 Vocabulary Words

CEFR Practice Quiz
The conservative politician was labeled a ____ because he opposed all new reforms in parliament.
CEFR Practice Quiz (Alternate)
The ____ faction within the party opposed any reform and sought to return to traditional values.

Expand Your Vocabulary with LexUp

Master English words using smart flashcards, play exciting word rounds, and compete with other learners worldwide.

Browse CEFR Words Alphabetically