-en·​nial | \ ¦enēəl, ¦enyəl \

Definition of -ennial

: recurring at or marking intervals of (so many) years biennial centennial

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History and Etymology for -ennial

Middle English -eniale, from Middle French -ennial, from Latin -ennium (as in biennium period of two years) + Middle French -al

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Cite this Entry

“-ennial.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/-ennial. Accessed 8 December 2019.

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to constrict the range or activity of

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