foolishness

noun

fool·​ish·​ness ˈfü-lish-nəs How to pronounce foolishness (audio)
Synonyms of foolishnessnext
1
: foolish behavior
2
: a foolish act or idea

Examples of foolishness in a Sentence

the foolishness of going off to search for the fountain of youth couldn't listen to another second of their foolishness, so I told them to be quiet
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The popular Instagram page @touronsofnationalparks is known for spotlighting the foolishness of people in national parks. David Hookstead Outkick, FOXNews.com, 1 June 2026 And in this age of ever-rising electric bills, power-hungry data centers and global unrest, Floridians need leaders who will ditch the foolishness and get serious about lowering energy costs. David Jenkins, Sun Sentinel, 26 May 2026 Still, foolishness can sometimes bring good results; there are good results here, and some less than good. Television Critic, Los Angeles Times, 8 May 2026 To stratify the 400-song catalog of Carole King, let alone choose her shiniest song, is an exercise in foolishness. New York Times, 28 Apr. 2026 See All Example Sentences for foolishness

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of foolishness was in the 15th century

Browse Nearby Words

Cite this Entry

“Foolishness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foolishness. Accessed 2 Jun. 2026.

More from Merriam-Webster on foolishness

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster