adverb
- In an inverted manner.
- usage: "the box was lying on the floor upside down"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). upside down. Retrieved September 21, 2026, from http://smartdefine.org/upside_down/definitions/1253965 |
| Chicago | WordNet. 2010. "upside down" http://smartdefine.org/upside_down/definitions/1253965 (accessed September 21, 2026). |
| Harvard | WordNet 2010, upside down, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/upside_down/definitions/1253965>. |
| MLA | WordNet. "upside down" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/upside_down/definitions/1253965> |