double
adjective
twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc..
have been doubling
-
present perfect progressiveof double.present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While Snap and Google have failed to get consumers to buy smart glasses in the past, tech companies have been doubling down on the idea.
From Los Angeles Times ● Jun. 16, 2026
Cases have been doubling about every 7.6 days in the United States, said Trevor Bedford, a computational biologist at the Fred Hutchinson Cancer Center.
From Washington Post ● Jul. 30, 2022
Sales have been doubling every year in the past six years, but it too is a small player, having sold 70,000 devices.
From BBC ● Feb. 21, 2022
Since September, local governments have been doubling down on meeting energy consumption targets set by Beijing to ensure China’s carbon emissions peak by 2030.
From Seattle Times ● Nov. 1, 2021
We are doubling our imports and exports; we have been doubling them since 1749—about every 16 years.
From Recollections of Old Liverpool by A Nonagenarian
