Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A proponent or practitioner of activism: political activists.
  • adj. Of, relating to, or engaged in activism.
  • adj. Of, relating to, or being an activist.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. one who is politically active in the role of a citizen; especially, one who campaigns for change
  • n. one who is conspicuously active in carrying out any occupational or professional functions.
  • adj. Behaving as an activist.

from the GNU version of the Collaborative International Dictionary of English

  • n. one who is aggressively active on behalf of a cause.
  • adj. advocating a cause or engaged in activism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. advocating or engaged in activism
  • n. a militant reformer

Etymologies

active +‎ -ist (Wiktionary)

Examples

Comments

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  • There are a lot of these on Care2

    July 31, 2013