meaning of activist

activist meaning in General Dictionary

person who is aggressively active on the behalf of a cause

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  • advocating a cause or engaged in activism
  • advocating or engaged in activism
  • a militant reformer

activist meaning in Etymology Dictionary

"one whom advocates a doctrine of direct activity," 1915; from energetic + -ist. Originally in reference to political causes in Sweden advocating abandonment of neutrality in World War I and active assistance the Central Powers.