grumble
verb (used without object)
to murmur or mutter in discontent; complain sullenly.
grumbling
-
present participleof grumble.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
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.
Group texts and chat apps have turned private grumbling into something instantly shareable, causing more disputes to escalate.
From The Wall Street Journal ● Sep. 16, 2026
But the move risks alienating customers who already may be grumbling about the complex array of ticket options when it comes time to book a flight.
From MarketWatch ● Aug. 13, 2026
There was grumbling on social media that the lack of a physical disc would eliminate any second-hand market for the title.
From Barron's ● Jul. 1, 2026
It's hot, everyone's grumbling and nobody in your house can sleep - which means summer has officially arrived.
From BBC ● Jun. 19, 2026
They were setting up a lemonade stand together, and Evan had been grumbling about dragging the cooler across the street and down two houses, just like Scott.
From "The Lemonade War" by Jacqueline Davies
