Standard Lemma guide

bimillennial

adj · noun · 2 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.

  • /baɪˈmɪlɛn.i.əl/

1

adj

Meaning 1

Occurring every 2,000 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

noun

Meaning 2

The 2,000th anniversary of an event or happening.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bimillennium

Antonyms: none provided

History

Etymology

From Latin bimillennialis, from bi- (“two”) mill- (“thousand”) + enni(us) (“yearly”). By surface analysis, bi- + millennial. Compare bicentennial.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: bimillénaire — occurring every 2,000 years
  • Italian: bimillenniale — occurring every 2,000 years
  • Latin: bimillennialis — occurring every 2,000 years