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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.

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

From BBC • Jan. 10, 2025

I pity the April fool who doesn’t try this week’s Slate News Quiz.

From Slate • Apr. 1, 2022

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

From Forbes • Sep. 19, 2013

Find out here if you are in the first rank – or an April fool Tweet this guardian.co.uk, Thursday 1 April 2010 00.05 BST Opening badly ...

From The Guardian • Mar. 31, 2010

"Like an April fool," she thought; so she took a spoon and measured in a liberal supply of mustard and red pepper; then she went out into the yard.

From What Two Children Did by Chittenden, Charlotte E.

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