decadelong

American  

[dek-eyd-lawng, duh-keyd-lawng] / ˈdɛk eɪdˌlɔŋ, dəˈkeɪd lɔŋ /

Or decade-long

adjective

1. lasting for a decade.

   After a decadelong study, the drug has finally been approved by the FDA.

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Example Sentences

The U.S. military, meanwhile, withdrew from its bases in Syria earlier this year, ending a more than decadelong commitment to the country that began as a mission to fight Islamic State extremists.

From The Wall Street Journal • Jun. 1, 2026

For early investors, the IPO is the culmination of a decadelong story.

From The Wall Street Journal • May 14, 2026

After nearly a decadelong cycle of hype, disappointment and then renewed hype, self-driving taxis are starting to roll onto streets in a rapidly growing number of cities across the U.S.

From The Wall Street Journal • May 1, 2026

The decadelong fall in violence is giving the country a boost as the U.S. tries to engineer an investment boom there.

From The Wall Street Journal • Mar. 26, 2026

Now, if ever, is the time for action, with practically half of the period alloted for the prosecution of a decadelong Crusade already behind us.

From The Light of Divine Guidance (Volume 1) by Shoghi Effendi