noun
- The decade from 1950 to 1959.
- synonyms: 1950s
- The time of life between 50 and 60.
- synonyms: mid-fifties
- The cardinal number that is the product of ten and five.
- A United States bill worth 50 dollars.
- synonyms: fifty dollar bill, fifty
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). fifties. Retrieved September 22, 2026, from http://smartdefine.org/fifties/definitions/1249903 |
| Chicago | WordNet. 2010. "fifties" http://smartdefine.org/fifties/definitions/1249903 (accessed September 22, 2026). |
| Harvard | WordNet 2010, fifties, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/fifties/definitions/1249903>. |
| MLA | WordNet. "fifties" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/fifties/definitions/1249903> |