biannually

English

Etymology

Etymology tree

Proto-Indo-European *dwóh₁

Proto-Indo-European *dwi-

Proto-Italic *dwi-

Latin bi-bor.

English bi-

English annual

English biannual

Proto-Indo-European *leyg-der.

Proto-Germanic *līkąder.

Proto-Germanic *-līkaz

Proto-Germanic *-ê

Proto-Germanic *-līkê

Proto-West Germanic *-līkē

Old English -līċe

Middle English -ly

English -ly

English biannually

From biannual + -ly.

Pronunciation

• IPA^(key): /baɪˈænjuːəliː/

• Audio (Southern England):

  (file)

Adverb

biannually (not comparable)

1. Taking place twice per year, semiannually.
2. Taking place every two years, biennially.

Usage notes

• Some authorities report confusion between biennially and biannually. Using "semiannually" may reduce the risk of confusion.

Synonyms

• semiannually

See also

• biennially - every two years