Biannual meaning

bī-ănyo͝o-əl
Frequency:
(proscribed) Occurring every two years; biennial.
adjective
3
0
Occurring every two years; biennial.
adjective
3
1
Something occurring twice each year.
noun
2
0
The definition of biannual is something that occurs twice per year.

When a race is held in the spring and again in the fall, this is an example of a biannual race.

adjective
2
1
Occurring twice each year; semiannual.
adjective
2
1
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Coming twice a year; semiannual.
adjective
1
1
Occurring twice a year; half-yearly; semiannual, twice-yearly.
adjective
1
1

Origin of biannual

  • bi- +‎ annual

    From Wiktionary