vicennial

Fetched 2026-10-26 (cache).

Synonyms: biennial, decennial, vicennium, avicennia, tricennial

Antonyms: biennial, decennial, vicennium, avicennia, tricennial

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[occur|Occur]]ring [[once]] [[every]] [[twenty]] [[year]]s.
2. [[lasting|Lasting]] for [[twenty]] [[year]]s.

Noun

1. A [[twenty]]-[[year]] [[period]]
2. A [[twentieth]] [[anniversary]], [[particularly]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.