| complain(verb, oppose, criticize, object, protest) |
| grouse(noun, verb, oppose, criticize, object) |
| murmur(noun, verb, sound, criticize, low) |
| gripe(noun, verb, oppose, criticize, object) |
| moan(noun, verb, oppose, criticize, object) |
| beef(noun, verb, oppose, criticize, object) |
| mutter(noun, verb, low, happy, protest) |
| growl(noun, verb, sound, oppose, criticize) |
| rumble(noun, verb, sound, low, buzz) |
| whine(noun, verb, oppose, criticize, object) |
| grouch(verb, protest, complain, complaint, moan) |
| bitch(noun, verb, oppose, criticize, object) |
| groan(noun, verb, sound, oppose, criticize) |
| kick(noun, verb, action, trouble, charge) |
| complaint(noun, action, charge, protest, cry) |
| scold(verb, complain) |
| croak(verb, discontent, rumble, lamentation, murmur) |
| protest(noun, verb, oppose, criticize, object) |
| grunt(noun, verb, sound, low, happy) |
| roll(noun, verb, protest, complain, roar) |