1
[ adjective ] occurring every second year

Synonyms

biennial

Examples

"they met at biennial conventions"

Related terms

year year

2
[ adverb ] every two years

Synonyms

biennially

Examples

"this festival takes places biennially"

Related terms

biennial biennial

3
[ adverb ] twice a year

Synonyms

semiannually

4
[ adjective ] occurring or payable twice each year

Synonyms

biannual semiannual

Related terms

year year year

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