La-di-da is generally used to communicate a sense of snobbery or elitism. When seeking an alternative to this term, there are a number of options that can effectively convey a similar meaning. Fancy-pants, hoity-toity, high and mighty, muckety-muck, and snobbish are all great options. Other synonyms may include pretentious, grandiose, pompous, and ostentatious. Of course, there are also variations of la-di-da that can be used, such as lah-dee-dah, la-te-da, and la-dee-dah. Whatever you choose as an alternative to la-di-da, it's important to select a term that accurately conveys the intended tone or meaning.