decadal

[ dek-uh-dl ]
/ ˈdɛk ə dl /

adjective

of or relating to a decade.

Origin of decadal

First recorded in 1745–55; decade + -al1

Related forms

dec·a·dal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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