Definition of la-di-da in English:

la-di-da

Line breaks: la-di-da
Pronunciation: /ˌlɑːdɪˈdɑː
 
/
(also lah-di-dah)

adjective

informal
Pretentious or snobbish in manner or speech: do I really sound like a la-di-da society lawyer?
More example sentences
  • After a few more attempts at conversation, he got angry and started muttering ‘Posh Whalley Range lady… la-di-da Moss Side lady’.
  • Here, Keaton's la-di-da flibbertigibbet dissolved all of her neurotic mannerisms and simply stood still, gently and lovingly warbling what became the film's essence.
  • The skivvies from the Cabinet Office come in, all lah-di-dah and arm's length. ‘How many of you ponces voted New Labour yesterday?’

Origin

late 19th century: imitative of an affected manner of speech.

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