A movement in opposition, or retaliation to another(noun)
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Use "countermovement" in a sentence
"The figure most heavily targeted in countermovement tirades against the EAM project, and who seemed to embody its worst excesses, was the adartissa."
"(DSE Bulletin, 7 July 1949) 52This special role of women fuelled the abuse they received in countermovement propaganda."
"In a small countermovement to the main drive of assimilation, some assimilated Jews regarded the Eastern Jew—and the East in general—as more soulful and genuine than the Western Jew and the West."