Englishla-di-da
adjective
informal
a la-di-da Cambridge graduate:
snobbish, refined, over-refined, pretentious, affected, mannered, pompous, conceited, superior, haughty, precious;
informal snooty, stuck-up, high and mighty, hoity-toity, uppity, snotty, snot-nosed, highfalutin;
British, informal posh, toffee-nosed.
▷antonyms common, gorblimey.
la-di-da Oxford Dictionary of English