noun
- Position 80 in a countable series of things.
adjective
- The ordinal number of eighty in counting order.
- synonyms: 80th
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). eightieth. Retrieved September 20, 2026, from http://smartdefine.org/eightieth/definitions/1173143 |
| Chicago | WordNet. 2010. "eightieth" http://smartdefine.org/eightieth/definitions/1173143 (accessed September 20, 2026). |
| Harvard | WordNet 2010, eightieth, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/eightieth/definitions/1173143>. |
| MLA | WordNet. "eightieth" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/eightieth/definitions/1173143> |