biennially
Americanadverb
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every two years.
The general election shall be held biennially on the Tuesday following the first Monday of November in each even-numbered year.
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Botany. two years after starting to grow.
The fruits are acorns, maturing biennially, and have saucer- to cup-shaped caps that cover about a quarter of the nut.
Etymology
Origin of biennially
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Modeled on a millennia-old Greek tradition, the Olympic Truce has been introduced at the UN biennially since 1993 by the host country of the next edition of the Olympic Games.
From Barron's • Nov. 19, 2025
The drill, dubbed Keen Sword, takes place biennially around Japan.
From Reuters • Oct. 21, 2022
Australian Norman led the International team to their only success in the previous 13 Ryder Cup-style matches that are played biennially, winning in Melbourne in 1998.
From BBC • Sep. 24, 2022
Called the Rim of the Pacific Exercise, the drills are the world’s largest held biennially.
From Seattle Times • Jul. 27, 2022
This can be done annually or biennially according to whether the plants are growing strongly or not.
From Trees and Shrubs for English Gardens by Cook, Ernest Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
