Definitions from Wiktionary (octennially)
▸ adverb: Every eight years.
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▸ adverb: Every eight years.
Similar:
decennially,
bicentennially,
septennially,
sexennially,
quadrennially,
quinquennially,
quadriennially,
sextennially,
centennially,
triennially,
more...
Opposite:
▸ Words similar to octennially
▸ Usage examples for octennially
▸ Idioms related to octennially
▸ Wikipedia articles (New!)
▸ Words that often appear near octennially
▸ Rhymes of octennially
▸ Invented words related to octennially