adjective
- Occurring every two weeks.
- synonyms: biweekly
adverb
- Every two weeks.
- usage: "he visited his cousins fortnightly"
- synonyms: biweekly
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). fortnightly. Retrieved September 20, 2026, from http://smartdefine.org/fortnightly/definitions/1174418 |
| Chicago | WordNet. 2010. "fortnightly" http://smartdefine.org/fortnightly/definitions/1174418 (accessed September 20, 2026). |
| Harvard | WordNet 2010, fortnightly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fortnightly/definitions/1174418>. |
| MLA | WordNet. "fortnightly" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/fortnightly/definitions/1174418> |