grumbling
nounUK /ˈɡrʌm.bəl.ɪŋ/
US /ˈɡrʌm.bəl.ɪŋ/
The act of complaining in a quiet, unhappy way.
There was a lot of grumbling from the kids when it was time to turn off the TV.
RELATED WORDS
OTHER MEANINGS
2. A low, continuous rumbling sound.
We heard the grumbling of thunder far away.
3. The adjective form describing someone who complains often.
The grumbling customer finally left the shop.
4. A deep, unhappy noise made by a stomach when hungry.
My stomach made a grumbling sound during class.