grumble
verb (used without object)
to murmur or mutter in discontent; complain sullenly.
is grumbling
-
present progressiveof grumble (3rd person singular).present progressive
Used to describe an ongoing action or state that is currently taking place in the immediate present.
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.
Everyone is grumbling about what the effect will be on traffic, and that - along with safety concerns - is keeping some people home on both sides of the political divide.
From BBC ● May 1, 2026
Already there is grumbling about Porter’s move, both because she didn’t wait until Feinstein’s formal announcement, and because she beat the others to the punch.
From Slate ● Jan. 11, 2023
Dad is grumbling in the back seat, which he shares with his motormouth 6-year-old son.
From New York Times ● Apr. 21, 2022
So there is grumbling in high-occupancy-vehicle lanes across California these days.
From Los Angeles Times ● Sep. 17, 2018
Daddy is grumbling again and threatening to take away my diary.
From "The Diary of a Young Girl" by Anne Frank
