bi-annual
adjective
bi-annual is an adjective meaning “Alternative spelling of biannual” (English Wiktionary, September 2026). It is spelled B-I-A-N-N-U-A-L.
What does bi-annual mean?
adjective
- 1
Alternative spelling of biannual.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with bi-annual
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: biannual (one word or two).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).