Why was clemency trending last week?


[bahy-an-yoo-uh l] /baɪˈæn yu əl/
occurring twice a year; semiannual.
occurring every two years; biennial.
Origin of biannual
1875-80; bi-1 + annual
Related forms
biannually, adverb
Can be confused
biannual, biennial, semiannual (see usage note at bi-)
Usage note
See bi-1. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for biannual
  • There is no record of his having gone through annual or biannual department evaluations.
  • In addition to teaching choral literature, conducting and arranging, he led biannual choral concerts.
  • In this biannual arena in which a chosen few compete, a couturier has free reign to create whatever vision he has in mind.
  • The biannual event celebrates the great strides being made by alt-fuels and the vehicles that use them.
  • As the seasons come and go, so too does faculty dissatisfaction with the biannual ritual of having students evaluate our teaching.
  • Stats, rankings, and predictions are useless during this biannual meeting.
British Dictionary definitions for biannual


occurring twice a year Compare biennial
Derived Forms
biannually, adverb
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
Cite This Source
Word Origin and History for biannual

also bi-annual; "occurring every six months, twice a year," 1837, from bi- + annual. Related: Biannually; bi-annually.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for biannual

Few English speakers likely know this word

Word Value for biannual

Scrabble Words With Friends

Nearby words for biannual