entryism

British  

/ ˈɛntrɪɪzəm /

noun

1. the policy or practice of members of a particular political group joining an existing political party with the intention of changing its principles and policies, instead of forming a new party

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Other Word Forms

• entryist noun

Example Sentences

It says that universities, charities and local councils could be vulnerable to "entryism", with extremists infiltrating organisations intending to promote their own views.

From BBC • Mar. 7, 2015