English

Adjective

lah-di-dah ‎(comparative more lah-di-dah, superlative most lah-di-dah)

1. (Britain, pejorative) Of or from the upper class of society.

Usage notes

The adjective usage is not common in the US.

Synonyms

• snooty

Interjection

lah-di-dah

1. (US) not a care in the world (used in a sing-song voice, for childhood rhymes)
2. (US) Frequently heard in New Orleans, uttered by revelers in resorts of drink and music (used in a mildly pejorative sense, dismissing, for example, a man dressed in yellow bicycling Spandex with a silly walk, as Well, lah-di-dah. Also a term interjected when politicians waffle. Hmm. Sounds pretty lah-di-dah to me!)