noun
- Position 40 in a countable series of things.
adjective
- The ordinal number of forty in counting order.
- synonyms: 40th
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). fortieth. Retrieved September 20, 2026, from http://smartdefine.org/fortieth/definitions/1174415 |
| Chicago | WordNet. 2010. "fortieth" http://smartdefine.org/fortieth/definitions/1174415 (accessed September 20, 2026). |
| Harvard | WordNet 2010, fortieth, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fortieth/definitions/1174415>. |
| MLA | WordNet. "fortieth" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/fortieth/definitions/1174415> |