ISEE/SSAT Vocabulary BuilderWordsBbiennial
ISEE/SSATmedium
biennial
Meaning: happening once every two years
biennial in a sentence
How biennial is used in real sentences:
The garden club holds a biennial flower show every other spring.
Because the conference is biennial, delegates only gather in the same city once every two years.
“During a biennial bird count, however, ecologist Lena Ortiz noticed that the resident robin flock had doubled since the count two years earlier.”
— from the passage The Winter Choice
Synonyms for biennial
Other words for biennial — biyearly — carry the same meaning.
- biyearly
Where it comes from
From Latin bi- 'two' + annus 'year'
Word parts
- bi, di, du/deu — two, divided
biennial: bi- (two) + enn (year)
Memory hook
BI (two) + ENNIAL (year) — happens every two years.