decades-long
adjective
de·cades-long
ˈde-ˌkādz-ˌlȯŋ 
variants
or less commonly decadeslong
: lasting two or more decades : occurring over a period of two or more decades
a decades-long career
… no discussion of wolf research would be complete without mention of this fascinating, decades-long study.—
Robert R. Ream
Robert R. ReamHis decades-long accumulation of books makes an eclectic mix …—Stephen Mihm
Stephen MihmExamples of decades-long in a Sentence
Recent Examples on the Web
Leo decries 'rubble and open wounds' of war The new pope has lamented the conditions for Palestinians in Gaza several times recently and told journalists last month that the only solution in the decades-long conflict between Israel and the Palestinian people must include a Palestinian state.
—Reuters, NBC news, 25 Dec. 2025
But school and library officials argue the proposal still represents a decades-long sacrifice.
—David Hudnall, Kansas City Star, 23 Dec. 2025
With an unprecedented decades-long run of success, Warren Buffett is retiring on December 31, 2025.
—Cooper Katz McKim, NPR, 22 Dec. 2025
In her email, Alfonsi warned that pulling the segment risked undermining 60 Minutes’ decades-long reputation.
—Dave Quinn, PEOPLE, 22 Dec. 2025
See All Example Sentences for decades-long
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Reuters, NBC news, 25 Dec. 2025
But school and library officials argue the proposal still represents a decades-long sacrifice.
—David Hudnall, Kansas City Star, 23 Dec. 2025
With an unprecedented decades-long run of success, Warren Buffett is retiring on December 31, 2025.
—Cooper Katz McKim, NPR, 22 Dec. 2025
In her email, Alfonsi warned that pulling the segment risked undermining 60 Minutes’ decades-long reputation.
—Dave Quinn, PEOPLE, 22 Dec. 2025
See All Example Sentences for decades-long
Cite this Entry
“Decades-long.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decades-long. Accessed 28 Dec. 2025.
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