biyearly

The definition of biyearly is something that happens once every two years.

(adjective)

An example of something biyearly is the Olympics.

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See biyearly in Webster's New World College Dictionary

adjective, adverb

  1. once every two years; biennial(ly)
  2. Now Rare twice a year: in this sense, semiyearly, semiannual(ly), or biannual(ly) is preferred

See biyearly in American Heritage Dictionary 4

adjective
  1. Happening every two years. See Usage Note at bi-1.
  2. Happening twice a year; semiyearly.
adverb
  1. Every two years.
  2. Twice a year; semiyearly.
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