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had been stockpiling

  • past perfect progressive
    of stockpile.
    stockpile
    noun
    a supply of material, as a pile of gravel in road maintenance.

Example Sentences

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Residents told AFP they had been stockpiling food, candles, and batteries since Monday.

From Barron's ● Oct. 29, 2025

U.S. officials and Western officials said Prigozhin had been stockpiling weaponry ahead of the mutiny attempt.

From Reuters ● Jun. 28, 2023

Lugo had been stockpiling gifts for Ellie’s birthday on June 4: leggings and Legos.

From Los Angeles Times ● May 26, 2022

He said the firm, which produces many of its lines in China, had been stockpiling toys since June to try and avoid a Christmas crisis.

From BBC ● Sep. 20, 2021

Even before the recession began, companies had been stockpiling cash for decades.

From Newsweek ● Dec. 28, 2010