| noun | a loud low dull continuous noise “they heard the rumbling of thunder” |
| verb | make a low noise “rumbling thunder” |
| verb | to utter or emit low dull rumbling sounds “he grumbled a rude response” |
| adjective | continuous full and low-pitched throbbing sound “the rumbling rolling sound of thunder” |
| rumble | verb | to utter or emit low dull rumbling sounds |
| grumble | verb | make a low noise |
| rumble | noun | a loud low dull continuous noise |
| rumbling | noun | a loud low dull continuous noise |
| grumble | noun | a loud low dull continuous noise |
| grumbling | noun | a loud low dull continuous noise |
| growler | noun | a speaker whose voice sounds like a growl |
| growling | noun | the sound of growling (as made by animals) |
| growl | noun | the sound of growling (as made by animals) |