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

Examples of decade-long in a Sentence

Recent Examples on the Web

Sam doesn’t enter the picture until the very end of the first episode, which establishes both the sorry state of Charlie’s personal life and the mystery that will bring her and Sam back into each other’s lives after a decade-long estrangement. — Alison Herman, Variety, 12 Nov. 2026

Carmelo Anthony and La La Anthony (née Vázquez) reportedly have reached a settlement agreement after almost a decade-long split. — Andrea Flores, Los Angeles Times, 6 Nov. 2026

The new museum builds on a decade-long partnership between Keila-Joa Castle and the Alexandre Vassiliev Foundation in Paris, which has brought a series of fashion history exhibitions to the historic estate. — Georg Szalai, HollywoodReporter, 3 Nov. 2026

The decade-long project has generated dozens of patents, published hundreds of academic papers, and involved more than 30 universities and 20 defense contractors. — Aman Tripathi, Interesting Engineering, 3 Nov. 2026

Word History

First Known Use

1974, in the meaning defined above

Rhymes for decade-long

• agung
• along
• belong
• birdsong
• furlong
• headlong
• headstrong
• lifelong
• plainsong
• prolong
• sarong
• tanjong