decadelong

or dec·ade-long

[ dek-eyd-lawng; British also duh-keyd-lawng ]
/ ˈdɛk eɪdˌlɔŋ; British also dəˈkeɪd lɔŋ /

adjective

lasting for a decade: After a decadelong study, the drug has finally been approved by the FDA.

Words nearby decadelong

Example sentences from the Web for decade-long