noun.
The practice of using action to achieve a result, such as politicaldemonstration or a strike in support of or in opposition to an issue.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a policy of taking direct and militant action to achieve a political or social goal
Word Usage
"Updated 11: 06: Sen. Feingold is now attacking the activism of the Roberts Court, while noting that there appears to be no fixed definition of the term \ "judicial activism\" other than \ "having opinions one does not like."