WordReference Random House Unabridged Dictionary of American English © 2020
ac•tiv•ist (ak′tə vist),USA pronunciation n.
- Governmentan especially active, vigorous advocate of a cause, esp. a political cause.
- Governmentof or pertaining to activism or activists:an activist organization for environmental concern.
- Governmentadvocating or opposing a cause or issue vigorously, esp. a political cause:Activist opponents of the President picketed the White House.
- active + -ist 1905–10
'activist' also found in these entries (note: many are not synonyms or translations):
Abzug - Barry - Belmont - Blackwell - Chomsky - Corrigan - Coughlin - Dubois - Falwell - Jackson - Lockwood - Makeba - Malcolm X - Mandela - Paul - Ramphele - SLAPP - Sexwale - Shcharansky - Steinem - Williams - Zephaniah - baraka - brown - come-outer - crandall - day - garvey - homophile - peacenik - prototype - stirrer - tutu