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April fool

American  

noun

  1. the victim of a practical joke or trick on April Fools' Day.

  2. a practical joke or trick played on that day.


April fool British  

noun

  1. an unsuspecting victim of a practical joke or trick traditionally performed on the first of April ( April Fools' Day or All Fools' Day )

"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

Etymology

Origin of April fool

First recorded in 1680–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This was followed by two smiley faces and a later post saying "April fool ma brother ohh".

From BBC Jan. 10, 2025

That taught me not to April fool my mother again.

From Slate Apr. 1, 2018

Meanwhile, never one to miss a chance of some free publicity, PRs across the land have been beavering away for weeks on their April fool press releases in the hope of a few column inches.

From The Guardian Apr. 1, 2017

On the one hand, could this be an early Google April fool?

From Forbes Sep. 19, 2013

Here's the early flower your April fool Found growing among the rushes.

From The Cornflower, and Other Poems by Blewett, Jean

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