Usually means: Occurs once every eight years.
Definitions Related words Mentions History
We found 15 dictionaries that define the word octennial:

General (15 matching dictionaries)
  1. octennial: Merriam-Webster
  2. octennial: Oxford Learner's Dictionaries
  3. octennial: Collins English Dictionary
  4. octennial: Wordnik
  5. octennial: Wiktionary
  6. octennial: Webster's New World College Dictionary, 4th Ed.
  7. octennial: Infoplease Dictionary
  8. Octennial, octennial: Dictionary.com
  9. Octennial: Wikipedia, the Free Encyclopedia
  10. Octennial: Online Plain Text English Dictionary
  11. octennial: Webster's Revised Unabridged, 1913 Edition
  12. Octennial: AllWords.com Multi-Lingual Dictionary
  13. octennial: Webster's 1828 Dictionary
  14. octennial: FreeDictionary.org
  15. octennial: TheFreeDictionary.com

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Definitions from Wiktionary (octennial)

▸ adjective:  Occurring every eight years.
▸ adjective:  Lasting or taking eight years.

Similar:
octaeteric, decennial, vicennial, bicentennial, undecennial, duodecennial, quadranscentennial, octan, octaval, sesquicentennial, more...

Opposite:
annual, biennial, triennial, quadrennial, quinquennial

▸ Words similar to octennial

▸ Usage examples for octennial

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▸ Popular nouns described by octennial

▸ Words that often appear near octennial

▸ Rhymes of octennial

▸ Invented words related to octennial

Similar:
octaeteric, decennial, vicennial, bicentennial, undecennial, duodecennial, quadranscentennial, octan, octaval, sesquicentennial, more...

Opposite:
annual, biennial, triennial, quadrennial, quinquennial



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