noun
- A quantity of liquor equal to one fifth of a United States gallon.
- Position five in a countable series of things.
- usage: "he was fifth out of several hundred runners"
- One part in five equal parts.
- synonyms: one-fifth, fifth part, twenty percent
- The musical interval between one note and another five notes away from it.
adjective
- Coming next after the fourth and just before the sixth in position.
- synonyms: 5th
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). fifth. Retrieved September 21, 2026, from http://smartdefine.org/fifth/definitions/1174082 |
| Chicago | WordNet. 2010. "fifth" http://smartdefine.org/fifth/definitions/1174082 (accessed September 21, 2026). |
| Harvard | WordNet 2010, fifth, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/fifth/definitions/1174082>. |
| MLA | WordNet. "fifth" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/fifth/definitions/1174082> |