Standard Lemma guide

biannual

adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /bʌɪˈanjuːəl/
  • General-American: /baɪˈænjuəl/
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: B AY0 AE1 N UW0 AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Occurring twice a year; semiannual.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Occurring once every two years; biennial.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, proscribed

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Something occurring twice each year.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

occurring or payable twice each year

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: semiannual, biyearly, half-yearly

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English annual English biannual From bi- + annual.

Across languages

Translations

15 source translations are retained for this English entry.

  • Dutch: halfjaarlijks — occurring twice a year; semi-annual
  • Finnish: puolivuosittainen — occurring twice a year; semi-annual
  • Galician: bianual — occurring twice a year; semi-annual
  • German: halbjährlich — occurring twice a year; semi-annual
  • Greek: εξαμηνιαίος (examiniaíos) — occurring twice a year; semi-annual
  • Greek: διετής (dietís) — occurring twice a year; semi-annual
  • Hindi: अर्धवार्षिक (ardhavārṣik) — occurring twice a year; semi-annual
  • Hungarian: félévenkénti — occurring twice a year; semi-annual
  • Irish: leathbhliantúil — occurring twice a year; semi-annual
  • Italian: semestrale — occurring twice a year; semi-annual
  • Norwegian: halvårlig — occurring twice a year; semi-annual
  • Norwegian: halvårs- — occurring twice a year; semi-annual
  • Portuguese: bianual — occurring twice a year; semi-annual
  • Russian: полугоди́чный (polugodíčnyj) — occurring twice a year; semi-annual
  • Spanish: bianual — occurring twice a year; semi-annual