Dictionary Check: triennial

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"triennial" is a valid word!

Scrabble 9 points

Words with Friends 12 points

adjective

occurring every third year or lasting 3 years

noun

the 300th anniversary (or the celebration of it)

Synonyms:

📖 Words starting with "t" 📖 Words starting with "tr" 📖 Words containing "ri" 🏅 Letter Scores