Word parts anti- + communist Noun Singular anticommunist Plural anticommunists (countable) An anticommunist is a person or thing that is against communism. Antonym: communist Adjective Positive anticommunist Comparative none Superlative none Someone or something that is an anticommunist is against communism. Antonym: communist The United States was anticommunist in the 1950s. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads