arrogant, bumptious, complacent, conceited, egoistic (also egoistical), egotistic (or egotistical), high-and-mighty, high-handed, high-hat, hoity-toity, imperious, important, overweening, presumptuous, prideful, proud, self-centered, self-complacent, self-conceited, self-important, self-obsessed, self-pleased, self-satisfied, smug, uppity, vain, vainglorious;
LA-DI-DA Defined for English Language Learners
Definition of la-di-da for English Language Learners
: acting or talking in a false and annoying way that is thought to be typical of rich and important people
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