adj, noun ·5 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Something occurring twice each year.

Adjective

1. 1
   Biannual: occurring twice a year not-comparable

Adjective

1. 1
   occurring or payable twice each year wordnet

Synonyms

All synonyms

biannualannualbiannualbiannualbiannualbiennial

Antonyms

All antonyms

annualbiennial

Etymology

From semi- + annual.