Related formsbi·an·nu·al·ly, adverb
Examples from the Web for bi-annual
The typically somber atmosphere at the bi-annual church convocation was punctuated by hollers, applause and a shout of “brill!”Church of England Gets Female Bishops and a Conservative Backlash|Nico Hines|July 14, 2014|DAILY BEAST
Next Tuesday, the president will host hundreds of reporters for his bi-annual press conference.French President François Hollande Slams Affair Allegations|Tracy McNicoll|January 11, 2014|DAILY BEAST
All-night vigils in search of bargains are frequent at the bi-annual sale-festivals.Women's Wild Oats|C. Gasquoine Hartley
The only romantic visitors are the storks, who use it as an aerodrome on their bi-annual migrations.Caught by the Turks|Francis Yeats-Brown
During the first ten years the sessions were bi-annual, but since 1895 have been held every five years.
Associated words: half-yearly, semi-annual, bi-annual, semestral.Putnam's Word Book|Louis A. Flemming