Biannual Definition
bī-ănyo͝o-əl
bi-annual
adjective
Occurring twice each year; semiannual.
American Heritage
Coming twice a year; semiannual.
Webster's New World
Occurring every two years; biennial.
American Heritage
Occurring twice a year; half-yearly; semiannual, twice-yearly.
Wiktionary
(proscribed) Occurring every two years; biennial.
Wiktionary
Synonyms:
noun
Something occurring twice each year.
Wiktionary
Other Word Forms of Biannual
Noun
Singular:
biannual
Plural:
biannualsOrigin of Biannual
-
bi- + annual
From Wiktionary
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