LADI-DA Meaning of LADI-DA in English adj. & n. colloq. adj. pretentious or snobbish, esp. in manner or speech. n. 1 a la-di-da person. 2 la-di-da speech or manners. [ imit. of an affected manner of speech ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012