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1. A place renowned for its frivolous activity.
2. A state of mind characterized by unrealistic expectations or a lack of seriousness.
[After L(os) A(ngeles).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Placename) a nickname for Los Angeles
2. (not capitals) a place that is remote from reality
[C20: reduplication of the initials LA]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014