septennial

American  

[sep-ten-ee-uhl] / sɛpˈtɛn i əl /

adjective

1. occurring every seven years.

2. of or for seven years.

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noun

1. something that occurs every seven years.

septennial British  

/ sɛpˈtɛnɪəl /

adjective

1. occurring every seven years

2. relating to or lasting seven years

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Other Word Forms

• septennially adverb

Etymology

Origin of septennial

1630–40; < Late Latin septenni ( s ) ( Latin septuennis ) seven years old ( sept ( em ) seven + -enn-, combining form of annus year + -is adj. suffix) + -al ¹

Example Sentences

And then the fifth septennial Assembly of the World Council of Churches will settle down to the issues that trouble the non-Catholic wing of the ecumenical movement.

From Time Magazine Archive

It could be, of course, that advancing years and their own septennial celebrity have made the subjects unwilling to spill their guts to their show-biz Mr. Chips.

From Time Magazine Archive

In 1755, the beginning of another septennial period, the six-day service was widely extended.

From The History of the Post Office From Its Establishment Down to 1836 by Joyce, Herbert

The Parliament of England, with respect to America, was not septennial but perpetual.

From A Letter Addressed to the Abbe Raynal, on the Affairs of North America, in Which the Mistakes in the Abbe's Account of the Revolution of America Are Corrected and Cleared Up by Paine, Thomas

It can change and create afresh even the constitution of the kingdom and of parliaments themselves; as was done by the act of union, and the several statutes for triennial and septennial elections.

From Commentaries on the Laws of England Book the First by Blackstone, William, Sir