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
Their parents rushed back home, and the decades-long search for Wendy began.
—Kristine Phillips, IndyStar, 5 Feb. 2026
People in both parties believe a Talarico-Paxton race could risk the GOP’s decades-long winning streak in the state.
—Burgess Everett, semafor.com, 4 Feb. 2026
Destinations such as Dubai Media City and Dubai Design District (d3) collectively serve as the cornerstone of creativity in Dubai and beyond, with their decades-long impact essential to driving the next stage of the cultural and creative industries worldwide.
—Abdulla Belhoul, Fortune, 4 Feb. 2026
The Oscars are concluding a decades-long run with ABC and Disney and heading to YouTube in 2029, following the streamer’s first-ever NFL game last fall.
—Jill Goldsmith, Deadline, 4 Feb. 2026
See All Example Sentences for decades-long
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Kristine Phillips, IndyStar, 5 Feb. 2026
People in both parties believe a Talarico-Paxton race could risk the GOP’s decades-long winning streak in the state.
—Burgess Everett, semafor.com, 4 Feb. 2026
Destinations such as Dubai Media City and Dubai Design District (d3) collectively serve as the cornerstone of creativity in Dubai and beyond, with their decades-long impact essential to driving the next stage of the cultural and creative industries worldwide.
—Abdulla Belhoul, Fortune, 4 Feb. 2026
The Oscars are concluding a decades-long run with ABC and Disney and heading to YouTube in 2029, following the streamer’s first-ever NFL game last fall.
—Jill Goldsmith, Deadline, 4 Feb. 2026
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 14 Feb. 2026.
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