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biyearly

[bahy-yeer-lee]
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adjective
  1. biennial(defs 1, 2).
adverb
  1. biennially; biannually.
  2. twice yearly.

Origin of biyearly

First recorded in 1875–80; bi-1 + yearly

Usage note

See bi-1.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for biyearly

biyearly

adjective, adverb
  1. every two years; biennial or biennially
  2. (often avoided because of confusion with sense 1) twice a year; biannual or biannuallySee bi- 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012