📅triennial

adjective
/traɪˈɛniəl/

Meaning

Occurring once every three years.

Example Sentences

The art festival is a triennial event in the city.

Synonyms

three-yearly, periodic, recurring

Antonyms

annual, monthly

Collocations

triennial event, triennial report, triennial gathering

Related Vocabularies

incapable of being corrected, improved, or reformed
related to the Olympic Games, a major international sporting event
having the color of the sun or gold
Of little value or importance.
stiffly formal and proper in appearance or behavior
Having a lack of experience or sophistication; overly innocent or trusting.

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