Biennial and Triennial

Biennial

Biennial adjective - Occurring every second year.
Show all Definitions
Synonyms for Biennial

Triennial and biennial are semantically related. In some cases you can replace term "Triennial" with "Biennial", this adjectives are similar.

Nearby Word: biennially

Triennial

Triennial adjective - Occurring every third year or lasting 3 years.
Show all Definitions
Synonyms for Triennial

Biennial and triennial are semantically related. Sometimes you can replace term "Biennial" with "Triennial", this adjectives are similar.
Cite this Source
Triennial and Biennial. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/biennial/triennial
Biennial & Triennial. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/biennial/triennial>.
Triennial or Biennial. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/biennial/triennial.
Google Ngram Viewer shows how "biennial" and "triennial" have occurred on timeline