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 Hero Cup has been introduced to give more players more experience of a matchplay team tournament with an eye on the Ryder Cup, which is staged biennially between Europe and the United States.
From BBC • Jan. 13, 2023
The drill, dubbed Keen Sword, takes place biennially around Japan.
From Reuters • Oct. 21, 2022
Called the Rim of the Pacific Exercise, the drills are the world’s largest held biennially.
From Seattle Times • Jul. 27, 2022
The legislature meets biennially, the senators being chosen for four, the representatives for two years.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various
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.