sep·​ten·​ni·​al | \ sep-ˈte-nē-əl How to pronounce septennial (audio) \

Definition of septennial

1 : occurring or being done every seven years
2 : consisting of or lasting for seven years

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Other Words from septennial

septennially \ sep-​ˈte-​nē-​ə-​lē How to pronounce septennially (audio) \ adverb

Examples of septennial in a Sentence

Recent Examples on the Web The former English schoolkids, tracked by this septennial doc since age 7, are now using the medium to promote their interests. Wired Staff, WIRED, "Reviews," 1 Oct. 2006

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'septennial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of septennial

1640, in the meaning defined at sense 1

History and Etymology for septennial

Late Latin septennium period of seven years, from Latin septem + -ennium (as in biennium)

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Time Traveler for septennial

Time Traveler

The first known use of septennial was in 1640

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Cite this Entry

“Septennial.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2020.

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