Definition of octennial in English:

Share this entry


Pronunciation: /ɒkˈtɛnɪəl/


1Recurring every eight years.
Example sentences
  • But this explanation appears to be inconsistent with the octennial period of the festival.
1.1Lasting for or relating to a period of eight years.
Example sentences
  • The Bill was, it is true, changed from a septennial to an octennial one.


Mid 17th century: from late Latin octennium 'period of eight years' + -al.

For editors and proofreaders

Line breaks: oc¦ten|nial

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.