grumbling 2
noundomain: communication
Princeton WordNet [ver.3.1]
Definition
a complaint uttered in a low and indistinct tone
Synonyms
- grumble 2
a complaint uttered in a low and indistinct tone
- murmur 4
a complaint uttered in a low and indistinct tone
- murmuring 2
a complaint uttered in a low and indistinct tone
- mutter 2
a complaint uttered in a low and indistinct tone
- muttering 2
a complaint uttered in a low and indistinct tone


