When you're describing something that looks unpleasant or unappealing, there are plenty of synonyms you can use for the phrase "look awful". Some options might include "look dreadful", "look ghastly", "look unsightly", "look repulsive", or "look revolting". Other possibilities include "look hideous", "look grotesque", "look monstrous", or "look monstrous". All of these words convey a sense of unpleasantness or ugliness, and can be used to describe anything from a run-down building to a bad haircut. Whatever your context, there's sure to be a synonym that will help you convey your meaning effectively and accurately.