There are several synonyms that can be used instead of the phrase "something awful". Some possible options include "terrible", "dreadful", "horrendous", "atrocious", "abysmal", "catastrophic", "ghastly", "horrific", "nightmarish", and "appalling". Each of these words can help convey a sense of negativity and intensity, making them useful for describing situations, events, or emotions that evoke feelings of fear, disgust, or anger. Whether used in casual conversation or more formal writing, synonyms for "something awful" can add depth and nuance to one's language, helping to paint a more vivid and memorable picture for the audience.