Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A place renowned for its frivolous activity.
  • noun A state of mind characterized by unrealistic expectations or a lack of seriousness.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A state of mind characterized by a frivolous or unrealistic lack of seriousness.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After L(os) A(ngeles).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Possibly from Los Angeles

Examples

  • I mean, if you want to deny that a non-trivial part of your coalition is out in la-la land, go ahead.

    D-Day

Comments

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  • Noun.

    A place renowned for its frivolous activity.

    A state of mind characterized by unrealistic expectations or a lack of seriousness.

    _Answers.com

    February 19, 2008

  • Also Los Angeles.

    February 19, 2008