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grumble

1 ENTRIES FOUND:
grumble /ˈgrʌmbəl/ verb
grumbles; grumbled; grumbling
grumble
/ˈgrʌmbəl/
verb
grumbles; grumbled; grumbling
Britannica Dictionary definition of GRUMBLE
: to complain quietly about something : to talk in an unhappy way
[no object]
[+ object]
[no object] : to make a low, heavy sound : rumble

— grumble

noun, plural grumbles [count]

— grumbler

/ˈgrʌmbəlɚ/ noun, plural grumblers [count]

— grumbling

noun, plural grumblings [count, noncount]