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.
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
And all school year, districts have been short on bus drivers, who have been doubling up routes, and forcing late school starts and sometimes cancellations for lack of transportation.
From Washington Post ● Jan. 30, 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
As a result, companies that own some of the largest ice cream brands have been doubling down on their premium offerings.
From Reuters ● Aug. 7, 2017
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
