biannual

[ bahy-an-yoo-uh l ]
/ baɪˈæn yu əl /

adjective

occurring twice a year; semiannual.
occurring every two years; biennial.

Origin of biannual

First recorded in 1875–80; bi-1 + annual

usage note for biannual

See bi-1.

OTHER WORDS FROM biannual

bi·an·nu·al·ly, adverb

WORDS THAT MAY BE CONFUSED WITH biannual

biannual biennial semiannual (see usage note at bi-1)

Example sentences from the Web for bi-annual

British Dictionary definitions for bi-annual

biannual
/ (baɪˈænjʊəl) /

adjective

occurring twice a year Compare biennial

Derived forms of biannual

biannually, adverb