Egregiousness is a strong word used to describe something that is remarkably bad or offensive. But sometimes, using the same word over and over can be repetitive. There are a number of synonyms for egregiousness that can be used instead when you want to describe something truly atrocious. Some of these synonyms include flagrancy, outrage, heinousness, atrocity, monstrosity, and horror. Each of these words carries a similar connotation to egregiousness and can be used to add emphasis to your writing or speech. So, if you're tired of using the same word repeatedly, consider using one of these synonyms to add more variety and impact to your language.