noun
- The butt of a prank played on April 1st.
- A practical joke or trick played on the first day of April. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). April fool. Retrieved September 21, 2026, from http://smartdefine.org/april_fool/definitions/1190828 |
| Chicago | WordNet. 2010. "April fool" http://smartdefine.org/april_fool/definitions/1190828 (accessed September 21, 2026). |
| Harvard | WordNet 2010, April fool, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/april_fool/definitions/1190828>. |
| MLA | WordNet. "April fool" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/april_fool/definitions/1190828> |