crumble
verb (used with object)
to break into small fragments or crumbs.
have been crumbling
-
present perfect progressiveof crumble.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.
Other myths about bitcoin have been crumbling for years.
From MarketWatch ● Feb. 5, 2026
The incentives in our very own frustrating game have been crumbling for years, as has our faith in its ostensible controllers.
From Slate ● May 24, 2018
In 2017, big studios’ would-be money makers have been crumbling all around us.
From The Guardian ● Jul. 13, 2017
“In the same way that our buildings have been crumbling for 40 years because we have not been maintaining them, our libraries have been faltering,” she said.
From Washington Post ● Mar. 9, 2015
Sands have been drifting, shores have been crumbling, new inlets have been formed, and old ones have been closed up.
From The Discovery of America by the Northmen, 985-1015 by Edmund F. (Edmund Farwell) Slafter
