A quaint or fanciful quality: stories full of whimsy. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "whimsy" in a sentence
"It is the very definition of a “race to the bottom,” at what I call a whimsy economy."
"But whimsy is not exactly a postmodern mode, and in Chronic City it betrays a certain aesthetic timidity."
"In my own work, I'm not satisfied unless the whimsy is balanced with horror and vice versa."