decade-long
adjective
de·cade-long
ˈde-ˌkād-ˌlȯŋ
variants
or less commonly decadelong
: lasting or occurring over a decade or about a decade
A decade-long drought in Saskatchewan and Alberta nesting areas has cut sharply into the number of birds migrating into Idaho …—Dan Knauss
The renegade gene that causes Huntington's disease has been found after a decade-long search …—Daniel Q. Haney
Cite this Entry
“Decade-long.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decade-long. Accessed 4 Oct. 2026.
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