Dictionary.com
Thesaurus.com
Synonyms

April Fools' Day

American  

noun

  1. April 1, a day when practical jokes or tricks are played on unsuspecting people.


Etymology

Origin of April Fools' Day

First recorded in 1745–50; the variant All Fools' Day is first recorded in 1700–05

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.

Summer gasoline is sold from about April Fools’ Day to Halloween, and winter fuel the rest of the year.

From Los Angeles Times • Mar. 26, 2026

Released for the PC as part of the studio’s April Fools’ Day tradition, the game sold a million copies within two weeks.

From New York Times • May 4, 2024

But she made it clear she wasn't impressed - saying her 11-year-old daughter "swung low" for April Fools' Day.

From BBC • Apr. 1, 2023

One guess is that April Fools’ Day comes from the ancient Roman festival of Hilaria, according to the Library of Congress’ Folklife Today blog.

From Seattle Times • Mar. 31, 2023

According to Mom, even though I was born on April 2, she went into labor with me on April Fools’ Day.

From "Darius the Great Is Not Okay" by Adib Khorram