"Airs and graces" is a phrase that refers to someone who is putting on a show of superiority or pretentiousness. There are a plethora of synonyms that can be used to describe this type of behavior, including "arrogance," "haughtiness," "conceit," "snobbery," "pomposity," "pretense," and "vanity." Each of these words conveys the idea of someone trying to elevate themselves above others in a way that is not genuine or authentic. Other possible synonyms for "airs and graces" include "self-importance," "pridefulness," "showiness," "ostentation," and "grandiosity." Whatever word you choose to describe this type of behavior, it is clear that "airs and graces" are not attributes that most people find appealing, admirable, or desirable.