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View synonyms for

biennial

[bahy-en-ee-uhl]

adjective

  1. happening every two years.

    biennial games.

  2. lasting or enduring for two years.

    a biennial life cycle.

  3. Botany.completing its normal term of life in two years, flowering and fruiting the second year, as beets or winter wheat.



noun

  1. any event occurring once in two years.

  2. Botany.a biennial plant.

biennial

/ ɪˈɛɪə /

adjective

  1. occurring every two years

  2. lasting two years Compare biannual

“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

noun

  1. a plant, such as the carrot, that completes its life cycle within two years, developing vegetative storage parts during the first year and flowering and fruiting in its second year Compare annual perennial

  2. an event that takes place every two years

“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

biennial

  1. Completing a life cycle normally in two growing seasons.

  1. A biennial plant. In the first year, biennials normally produce a short stem, a rosette of leaves, and a fleshy root that acts as food supply. In the second season, biennials blossom, produce seed, use up their food supply, and die. Carrots, parsnips, and sugar beets are examples of biennials.

  2. Compare annual perennial

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Confusables Note

See bi- 1.
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Other Word Forms

  • biennially adverb
  • ˈԲԾ adverb
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Word History and Origins

Origin of biennial1

First recorded in 1615–25; bienni(um) + -al 1
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Example Sentences

Examples have not been reviewed.

Mexico, the reigning Gold Cup champion, started slowly in opening its defense of its title in the biennial 16-team tournament.

From

Some international travellers are choosing to skip the biennial event over travel fears, while others are protesting President Donald Trump's policies.

From

The fourth biennial Scent Fair L.A. will celebrate everything olfactory in the heart of the museum district at Craft Contemporary.

From

Booth then turned his attention to the biennial WTC, suggesting the tournament should run across four years rather than two.

From

The Americans were favourites to win a fourth successive title after domineering victories in the previous three editions of the biennial event.

From

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Biennebiennially