The word "brutishnesses" means behaving in a savage or primitive manner. Sometimes, we need synonyms for this word to convey this idea more precisely. Synonyms for "brutishnesses" might include barbarity, savagery, barbarism, primitiveness, and crudeness. By using these words instead of "brutishnesses," we can more specifically describe the behavior that we are trying to convey. These synonyms can be useful in writing, speaking, or everyday interactions where we want to be more specific about someone's behavior or actions. By expanding your vocabulary with synonyms, you can more effectively communicate your thoughts and ideas to others.