1. (adj) biennial, biyearly
occurring every second year
Synonyms: biannual, half-yearly, two-year, biennial, semiannual, biyearly Antonyms: aperiodic, nonperiodic
2. (adverb) semiannual, biannual, biyearly, half-yearly
occurring or payable twice each year
Synonyms: biennial, biyearly, half-yearly, biannual, semiannual Antonyms: nonperiodic, aperiodic
3. (adverb) biennially, biyearly
every two years
Synonyms: biennially, semiannually, biyearly Antonyms: aperiodic, nonperiodic
4. (adverb) semiannually, biyearly
twice a year
Synonyms: biennially, semiannually, biyearly Antonyms: aperiodic, nonperiodic
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