biyearly

Meaning

adjective

1. occurring every second year
   “they met at biennial conventions”
2. occurring or payable twice each year

adverb

1. every two years
   “this festival takes places biennially”
2. twice a year

Synonyms for biyearly

• biennial
• periodic
• semiannual
• biannual
• half-yearly
• biennially
• semiannually