triannual

[ trahy-an-yoo-uh l ]
/ traɪˈæn yu əl /

adjective

done, occurring, issued, etc., three times a year.

noun

a triannual publication, contest, etc.

QUIZZES

"EVERYDAY" VS. "EVERY DAY" QUIZ: IS IT ONE WORD OR TWO?

An everyday activity is one you do every day. (Thanks, English.) Practice using "everyday," one word, and "every day," two words, in this fun quiz with … everyday example sentences!
Question 1 of 16
“Everyday" is an adjective that describes things that happen habitually or items that are normal items or events.

Origin of triannual

First recorded in 1630–40; tri- + annual

OTHER WORDS FROM triannual

tri·an·nu·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020