Standard Lemma guide

biennial

adj · noun · 7 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.

  • /baɪˈɛn.i.əl/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛniəl
  • CMU ARPABET: B AY0 EH1 N IY0 AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Happening every two years.

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

Lasting for two years.

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

3

noun

Meaning 3

A plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after which it usually dies.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

An event that happens every two years.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

having a life cycle lasting two seasons

Definition source: Princeton WordNet 3.0

Examples

  • a biennial life cycle
  • parsnips and carrots are biennial plants often grown as annuals

Meaning relationships

Synonyms: two-year

Antonyms: annual, perennial

6

adjective satellite

Meaning 6

occurring every second year

Definition source: Princeton WordNet 3.0

Examples

  • they met at biennial conventions

Meaning relationships

Synonyms: biyearly

Antonyms: none provided

7

noun

Meaning 7

(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: plant, flora, plant life

History

Etymology

Borrowed from Latin bienni(um) (“two-year period”) [from bis, bi- (“twice”) + annus (“year”)] + -al (suffix forming adjectives). By surface analysis, bi- + -ennial.

Across languages

Translations

53 source translations are retained for this English entry.

  • Belarusian: двухгадо́вы (dvuxhadóvy) — happening every two years
  • Bulgarian: двугоди́шен (dvugodíšen) — happening every two years
  • Catalan: biennal — happening every two years
  • Catalan: bianual — happening every two years
  • Dutch: tweejaarlijks — happening every two years
  • Finnish: joka toinen vuosi tapahtuva — happening every two years
  • French: bisannuel — happening every two years
  • French: biennal — happening every two years
  • Galician: bienal — happening every two years
  • German: biennal — happening every two years
  • German: zweijährlich — happening every two years
  • Irish: débhliantúil — happening every two years
  • Italian: biennale — happening every two years
  • Japanese: 二年ごとの (ninen goto no) — happening every two years
  • Manx: daa-vleinoil — happening every two years
  • Polish: codwuroczny — happening every two years
  • Polish: codwuletni — happening every two years
  • Portuguese: bienal — happening every two years
  • Romanian: bienal — happening every two years
  • Russian: двухгоди́чный (dvuxgodíčnyj) — happening every two years
  • Scottish Gaelic: dà bhliadhnail — happening every two years
  • Spanish: bienal — happening every two years
  • Ukrainian: дворі́чний (dvoríčnyj) — happening every two years
  • Ukrainian: дволі́тній (dvolítnij) — happening every two years
  • Belarusian: двухгадо́вы (dvuxhadóvy) — lasting for two years
  • Finnish: kaksivuotinen — lasting for two years
  • French: biennal — lasting for two years
  • German: biennal — lasting for two years
  • German: zweijährig — lasting for two years
  • Greek: διετής (dietís) — lasting for two years
  • Irish: débhliantúil — lasting for two years
  • Japanese: 二年間続く (ninenkan tsuzuku) — lasting for two years
  • Japanese: 二年生の — lasting for two years
  • Kazakh: екіжылдық (ekıjyldyq) — lasting for two years
  • Manx: daa-vleinoil — lasting for two years
  • Polish: dwuroczny — lasting for two years
  • Polish: dwuletni — lasting for two years
  • Portuguese: bienal — lasting for two years
  • Romanian: bienal — lasting for two years
  • Russian: двухле́тний (dvuxlétnij) — lasting for two years
  • Scottish Gaelic: dà bhliadhnail — lasting for two years
  • Spanish: bienal — lasting for two years
  • Ukrainian: дворі́чний (dvoríčnyj) — lasting for two years
  • Ukrainian: дволі́тній (dvolítnij) — lasting for two years
  • Chinese Mandarin: 二年生植物 (èrniánshēng zhíwù) — plant
  • French: bisannuelle — plant
  • Irish: débhliantóg — plant
  • Scottish Gaelic: lus dà bhliadhnail — plant
  • Finnish: biennaali — event
  • Italian: biennale — event
  • Slovak: bienále — event
  • Swedish: biennal — event
  • Turkish: bienal — event
Real reading context

biennial in complete knowledge articles