Adjective
- 1. biennial, biyearly, periodic (vs. aperiodic), periodical
- usage: occurring every second year; "they met at biennial conventions"
- 2. semiannual, biannual, biyearly, half-yearly, periodic (vs. aperiodic), periodical
- usage: occurring or payable twice each year
Adverb
- 1. biennially, biyearly
- usage: every two years; "this festival takes places biennially"
- 2. semiannually, biyearly
- usage: twice a year
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All rights reserved.Definition and meaning of biyearly (Dictionary)