activism

From active +‎ -ism.

• (UK, US, Canada, General Australian) IPA^(key): /ˈæk.tɪ.vɪ.zəm/, [ˈæk.tɪ.vɪ.zm̩]

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activism (countable and uncountable, plural activisms)

1. The practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.
   • 2013 August 10, “Can China clean up fast enough?”, in The Economist, volume 408, number 8848:

     That worries the government, which fears that environmental activism could become the foundation for more general political opposition.

• activist
• activistic

Borrowed from French activisme. By surface analysis, activ +‎ -ism.

activism n (uncountable)

1. activism