biannual

[bahy-an-yoo-uh l] /baɪˈæn yu əl/

adjective

occurring twice a year; semiannual.

occurring every two years; biennial.

Origin

1875-80; bi-¹ + annual

Related forms

biannually, adverb

Can be confused

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

Usage note

See bi-¹.

Examples from the web for biannual

There is no record of his having gone through annual or biannual department evaluations.
In addition to teaching choral literature, conducting and arranging, he led biannual choral concerts.
In this biannual arena in which a chosen few compete, a couturier has free reign to create whatever vision he has in mind.
The biannual event celebrates the great strides being made by alt-fuels and the vehicles that use them.
As the seasons come and go, so too does faculty dissatisfaction with the biannual ritual of having students evaluate our teaching.
Stats, rankings, and predictions are useless during this biannual meeting.

British Dictionary definitions for biannual

/baɪˈænjʊəl/

adjective

occurring twice a year Compare biennial

Derived Forms

biannually, adverb

Word Origin and History for biannual

adj.

also bi-annual; "occurring every six months, twice a year," 1837, from bi- + annual. Related: Biannually; bi-annually.