Definition of "lah-di-dah" in English

adjective

1. (British, derogatory) Of or from the upper class of society.

2. (British, derogatory) Affecting upper-class or superior airs.

   • She was all la-di-da, with her nose in the air, and we were all struggling not to laugh because that would be gauche.

interjection

1. (mildly derogatory) Expression of disdain for pretension or haughtiness.

   • Well, lah-di-dah, mister Park Avenue manicure.

2. (US) Not a care in the world. (used in a sing-song voice, for childhood rhymes)