hollow
adjective
having a space or cavity inside; not solid; empty.
has been hollowing
-
present perfect progressiveof hollow (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.
Upstate New York has been hollowing out as jobs and the young leave.
From The Wall Street Journal ● Nov. 7, 2025
It is a gargantuan drill that has been hollowing out tunnels for a train station under Grand Central Terminal.
From New York Times ● Jul. 25, 2011
