activist

[ ak-tuh-vist ]
/ ˈæk tə vɪst /

noun

an especially active, vigorous advocate of a cause, especially a political cause.

adjective

of or relating to activism or activists: an activist organization for environmental concern.
advocating or opposing a cause or issue vigorously, especially a political cause: Activist opponents of the president picketed the White House.

Origin of activist

First recorded in 1905–10; active + -ist

OTHER WORDS FROM activist

non·ac·tiv·ist, adjective, noun

WORDS THAT MAY BE CONFUSED WITH activist

activist pacifist passivist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019