noun
- The time of life between 40 and 50.
- synonyms: mid-forties
- The decade from 1940 to 1949.
- synonyms: 1940s
- The cardinal number that is the product of ten and four.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). forties. Retrieved September 20, 2026, from http://smartdefine.org/forties/definitions/1249901 |
| Chicago | WordNet. 2010. "forties" http://smartdefine.org/forties/definitions/1249901 (accessed September 20, 2026). |
| Harvard | WordNet 2010, forties, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/forties/definitions/1249901>. |
| MLA | WordNet. "forties" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/forties/definitions/1249901> |