gnash
verb (used with object)
to grind or strike (the teeth) together, especially in rage or pain.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While the solar panel–installation industry has been booming, the domestic solar-panel manufacturing sector has been gnashing its teeth while it slides into failure.
From Slate ● Jan. 24, 2018