Triennially

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • ad. Occurring at intervals three years apart.
    • the GNU version of the Collaborative International Dictionary of English
  • ad. Once in three years.
    • The Century Dictionary and Cyclopedia
  • Once in three years.
    • Word Usage
    "In the photograph I am required to take triennially for my driver's license, no glasses are in evidence."
     
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