Semiannual

adj, noun

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

Etymology

From semi- + annual.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.