la-di-da

or la-de-da, lah-di-dah

[lah-dee-dah]Informal.
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adjective
  1. affected; pretentious; foppish: a la-di-da manner.
noun
  1. an affected or pretentious person.
  2. behavior or speech characterized by affected or exaggerated gentility.

Origin of la-di-da

First recorded in 1880–85; derisive imitation of affected, pseudo-elevated speech
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for la-de-da

la-di-da

lah-di-dah or la-de-da

adjective
  1. informal affecting exaggeratedly genteel manners or speech
noun
  1. a la-di-da person

Word Origin for la-di-da

C19: mockingly imitative of affected speech
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for la-de-da

la-di-da

mocking of affected gentility, 1874, in derisive imitation of "swell" way of talking.

Online Etymology Dictionary, © 2010 Douglas Harper