swell
verb (used without object)
to grow in bulk, as by the absorption of moisture or the processes of growth.
has been swelling
-
present perfect progressiveof swell (3rd person singular).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.
Cannes and its history form the season’s backdrop: One of the show’s familiar sights during the first three seasons has been swelling waves dramatically crashing against rocks, but you’ll see something different in Season 4.
From Los Angeles Times ● Apr. 27, 2026
The number of homeless people has been swelling in many cities, leading to crackdowns by the police.
From New York Times ● Aug. 20, 2019
The Brazos River, which runs through Fort Bend County about 20 miles west of downtown Houston, has been swelling as the runoff from the storm collects in its banks.
From Washington Post ● Aug. 28, 2017
That larger undercurrent has been swelling since 1996, when only six states had land-based casinos.
From Los Angeles Times ● Oct. 26, 2016
"And let me mention in passing," continued Gus, winding the ribbon bow around his finger, "that in the last hour or so that whisper has been swelling to a shout."
From Buttered Side Down: Stories by Edna Ferber
