decennial
Americanadjective
-
of or for ten years.
-
occurring every ten years.
noun
-
a decennial anniversary.
-
its celebration.
adjective
-
lasting for ten years
-
occurring every ten years
noun
Other Word Forms
Etymology
Origin of decennial
1650–60; < Latin decenni ( um ) a period of ten years ( decenn ( is ) decennary + -ium -ium ) + -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Typically, states create new congressional maps every 10 years, in line with the national decennial census.
From Slate ● May 14, 2026
So far, India has redrawn parliamentary seats three times based on the decennial census in 1951, 1961 and 1971.
From BBC ● Apr. 16, 2026
Celebrities like Dua Lipa and Lena Dunham have posted wistful, washed-out pictures celebrating the decennial.
From The Wall Street Journal ● Jan. 29, 2026
Some states have taken serious steps to do that by enacting laws that require commissions to redraw the lines after the decennial census, or by using computer models.
From Salon ● Aug. 3, 2025
The Archbishop had proposed crossing the Atlantic for his decennial visit to Rome, and also to attend the General Chapter of the Oblate Order.
From The Canadian Portrait Gallery - Volumes 1 to 4 by John Charles Dent
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
