triennial

Fetched 2026-10-26 (cache).

Synonyms: tricennial, triennia, biennial, triennium, triannual, trillennial, triennials

Antonyms: tricennial, triennia, biennial, triennium, triannual, trillennial, triennials

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[happen|Happening]] every [[three]] [[year]]s.
2. [[last|Lasting]] for three years.

Noun

1. A third [[anniversary]].
2. A [[plant]] that requires [[three]] [[year]]s to complete its life-cycle.

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