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Definition of biannual

biannual

/baɪˈæn.ju.əl/
bi · an · nu · al
Adverb:biannually
•
Plural:biannuals
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biannual Lexical Profile

biannual Game Scores & Validity

• adjective

1

Occurring, appearing, or taking place twice a year.

Example

"The board of directors holds a biannual meeting in April and October to review the company's financial performance."

Synonyms
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• noun

1

A periodical, journal, or event that is published or held twice a year.

Example

"The university press launched the literary journal as a biannual before expanding it to a quarterly schedule."

Synonyms
View all synonyms for biannual

Word Nuance & Usage

Biannual (occurring twice a year) is frequently confused with biennial (occurring once every two years); to avoid ambiguity when referring to twice-yearly events, many writers prefer the clearer synonym semiannual.

• Rhymes for biannual

• Nearby Words

bhopal
bhutan
bi
biannual
biannually
bias
biased

Word Origin & Etymology

Coined in the late 19th century by combining the Latin prefix bi- ('two, twice') with annual, from Latin annualis ('yearly').

Cite this Entry

Wordmom. (2026). Definition of Biannual. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/biannual
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