Word.ws English Dictionary

bi-annual

bi-annual is the alternative spelling of biannual.

Meaning of biannual

Adjective

biannual (not comparable)

  1. Occurring twice a year; semiannual.
    • The annual values were disaggregated into biannual values. Then the biannual values were disaggregated into quarterly values. Finally the quarterly values were disaggregated into the desired monthly values.1980, J[ose] D. Salas, J. W. Delleur, V. Yevjevich, W. L. Lane, Applied Modeling of Hydrologic Time Series, Littleton, Colo.: Water Resources Publication, →ISBN, section 8.9, page 448
  2. (proscribed) Occurring once every two years; biennial.
    • The relative share of agriculture in GDP of the West Bank (calculated on the basis of fixed 1986 prices, and as a two-year average to deal with the major biannual fluctuations in olive production) declined[…].1993, Agriculture: An Investment in Peace (Developing the Occupied Territories; 4), Washington, D.C.: World Bank Publications, →ISBN, page 1
    Synonyms:
    biennial

See all 3 meanings of biannual

Questions about bi-annual

What is bi-annual the alternative spelling of?
Bi-annual is the alternative spelling of biannual.

Words near bi-annual in the dictionary

  1. bhūmis
  2. bi
  3. bi now, gay later
  4. BI&POC
  5. bi-
  6. bi-annual
  7. bi-asexual
  8. bi-crenate
  9. bi-curiosity
  10. bi-curious
  11. bi-cycle

Source and license

Adapted from Wiktionary: bi-annual (page history and authors); biannual (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “bi-annual.” Word.ws, https://word.ws/bi-annual. Based on Wiktionary, CC BY-SA 4.0.