adjective
- Occurring every second year.
- usage: "they met at biennial conventions"
- synonyms: biennial
- Occurring or payable twice each year.
- synonyms: semiannual, biannual, half-yearly
adverb
- Every two years.
- usage: "this festival takes places biennially"
- synonyms: biennially
- Twice a year.
- synonyms: semiannually
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). biyearly. Retrieved September 20, 2026, from http://smartdefine.org/biyearly/definitions/1169415 |
| Chicago | WordNet. 2010. "biyearly" http://smartdefine.org/biyearly/definitions/1169415 (accessed September 20, 2026). |
| Harvard | WordNet 2010, biyearly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/biyearly/definitions/1169415>. |
| MLA | WordNet. "biyearly" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/biyearly/definitions/1169415> |