In a manner that is strongly opposed to communism; in an anticommunistic way.
From 'anticommunistical' plus '-ly' forming an adverb. This represents multiple layered suffixes creating an increasingly rare word.
This word is so heavily suffixed that it barely exists in real speech—'anticommunistically' would only appear in the most formal historical documents, and even then it sounds pompous, showing how language can get unwieldy when you keep stacking suffixes.
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