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
The show has featured epic decades-long love stories, like Doug Williams and Julie Olson's.
—Emily Krauser, PEOPLE, 8 Nov. 2025
Soundgarden broke up and reunited over their decades-long career before ultimately calling it quits after the death of frontman Chris Cornell in 2017.
—Emlyn Travis, Entertainment Weekly, 8 Nov. 2025
Kelly Wearstler has had a decades-long career as an interior designer.
—Celia Fernandez, CNBC, 7 Nov. 2025
And if the tech scales globally, millions of pregnancy tests, disease-detection strips, and farm-diagnostic kits could end their decades-long dependence on petroleum plastics.
—Neetika Walter, Interesting Engineering, 6 Nov. 2025
See All Example Sentences for decades-long
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Emily Krauser, PEOPLE, 8 Nov. 2025
Soundgarden broke up and reunited over their decades-long career before ultimately calling it quits after the death of frontman Chris Cornell in 2017.
—Emlyn Travis, Entertainment Weekly, 8 Nov. 2025
Kelly Wearstler has had a decades-long career as an interior designer.
—Celia Fernandez, CNBC, 7 Nov. 2025
And if the tech scales globally, millions of pregnancy tests, disease-detection strips, and farm-diagnostic kits could end their decades-long dependence on petroleum plastics.
—Neetika Walter, Interesting Engineering, 6 Nov. 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 11 Nov. 2025.
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