noun, plural re·ac·tion·ar·ies.
Examples from the Web for reactionist
Yet he has abandoned the policy of the late king by appointing a reactionist ministry.
They would accuse you of being, what you are doubtless, a reactionist, and you might get into trouble.Paris under the Commune|John Leighton
"I care as much for the liberty of other people as for that of France," said a Federal to a reactionist.History of the Commune of 1871|P. Lissagary
Rousseau was an exception, but then Rousseau was in truth a reactionist, and not a loyal member of the great company of reformers.Diderot and the Encyclopdists|John Morley
Charlotte Corday was a reactionist, but she slew Marat and died calmly and bravely.A Girl of the Commune|George Alfred Henty
British Dictionary definitions for reactionist
noun plural -aries or -ists
Word Origin and History for reactionist
1831, on model of French réactionnaire (19c.), from réaction (see reaction). In Marxist use, "tending toward reversing existing tendencies," opposed to revolutionary and used opprobriously in reference to opponents of communism, by 1858. As a noun, "person considered reactionary," especially in politics, one who seeks to check or undo political action, by 1855.
Culture definitions for reactionist
An extremely conservative person or position that not only resists change but seeks to return to the “good old days” of an earlier social order.