biannual

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Definitions from WordNet

Adjective biannual has 1 sense

semiannual, biannual, biyearly - occurring or payable twice each year

Definitions from the Web

Biannual

Part of Speech: Adjective / Noun

Sense: Happening twice a year or every six months

Usage:

As an adjective:
- The company holds biannual meetings to discuss their progress.
- The biannual book fair is happening in the town next week.
As a noun:
- The magazine is published in a biannual format, releasing two issues per year.