Synonyms for Boorish (same or very similar meaning)
WordNet sense 1 (ill-mannered and coarse and contemptible in behavior or appearance):
loutish, neanderthal, oafish, swinish, neandertal
WordNet sense 2 ((used of persons and their behavior) not refined; uncouth):
unrefined
From the ODE community, based on WordNet
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