grumbling Meaning, Definition & Usage

1. noun a loud low dull continuous noise
   rumble; rumbling; grumble.
   
   • they heard the rumbling of thunder
2. noun a complaint uttered in a low and indistinct tone
   murmuring; grumble; muttering; mutter; murmur.
   
3. verb show one's unhappiness or critical attitude
   grouch; grumble; scold.
   
   • He scolded about anything that he thought was wrong
   • We grumbled about the increased work load
4. verb make complaining remarks or noises under one's breath
   grumble; gnarl; mutter; murmur; croak.
   
   • she grumbles when she feels overworked
5. verb to utter or emit low dull rumbling sounds
   rumble; growl; grumble.
   
   • he grumbled a rude response
   • Stones grumbled down the cliff
6. verb make a low noise
   rumble; grumble.
   
   • rumbling thunder
7. adjective satellite continuous full and low-pitched throbbing sound
   rumbling.
   
   • the rumbling rolling sound of thunder

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