duodecennial

Fetched 2026-10-26 (cache).

Synonyms: undecennial

Antonyms: undecennial

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[consist|Consisting]] of [[twelve]] [[year]]s, [[occur]]ring in [[12]]-[[year]] [[cycle]]s.
2. [[occur|Occurring]] [[once]] a [[duodecade]], [[occur]]ring [[every]] 12 [[year]]s.

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