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Meaning of activist

ac•tiv•ist

Pronunciation: (ak'tu-vist), [key]
— n.
  1. an especially active, vigorous advocate of a cause, esp. a political cause.
—adj.
  1. of or pertaining to activism or activists: an activist organization for environmental concern.
  2. advocating or opposing a cause or issue vigorously, esp. a political cause: Activist opponents of the President picketed the White House.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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