As an adjective, the word reactionary describes points of view and policies meant to restore a status quo ante.

REACTIONARY definition: of, pertaining to, marked by, or favoring reaction, especially extreme conservatism or rightism in politics; opposing political or social change. See examples of reactionary …

REACTIONARY definition: 1. a person who is opposed to political or social change or new ideas: 2. opposed to political or…. Learn more.

Jan 18, 2026 · Noun reactionary (plural reactionaries) (politics) One who opposes revolution, wanting to reverse it, favoring a return to a past golden age. Often used as a derogatory by revolutionaires.

Characterized by reaction, especially opposition to progress or liberalism; extremely conservative: The principal is very reactionary; she wants the school to stay the way it has been for the last 50 years.

reactionary, n. & adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Definition of reactionary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The meaning of REACTIONARY is relating to, marked by, or favoring reaction; especially : ultraconservative in politics.

Reactionary definition: Characterized by reaction, especially opposition to progress or liberalism; extremely conservative.

A reactionary is someone who opposes reform or change, especially in the realm of politics.