Gruesomenesses are those things that make you cringe and shudder with disgust. They can be anything from horror movies to real-life atrocities. Luckily, there are many synonyms for the word gruesomenesses that can help you describe these things in a more refined and precise way. Synonyms such as horror, gore, bloodshed, savagery, atrocity, brutality, viciousness, and barbarism are just a few examples. Each of these words has its own nuances and connotations, but they all describe the same basic concept of things that are sickeningly awful or disturbing. So whether you're trying to describe a particularly gruesome scene in a book or movie, or recounting a real-life horror story, these synonyms can help you find the right words to convey the right tone.