grumble

When you grumble, you complain about something clearly but quietly, in a low mutter. Some people grumble a hundred times a day, about everything from the weather to the traffic to their bad luck at bowling.

The verb grumble is a great example of onomatopoeia, a word that sounds just like what it means. When you say "grumble" out loud, you're practically already grumbling about something. The origin of grumble is the Middle French word grommeler, or "mutter through the teeth." Just think about the things in life that make you want to mutter through your teeth and you'll probably start to grumble.

Definitions of grumble
  1. verb
    make complaining remarks or noises under one's breath
    “she grumbles when she feels overworked”
    synonyms: croak, gnarl, murmur, mutter
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    type of:
    complain, kick, kvetch, plain, quetch, sound off
    express complaints, discontent, displeasure, or unhappiness
  2. verb
    make a low noise
    synonyms: rumble
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    type of:
    go, sound
    make a certain noise or sound
  3. verb
    utter or emit low dull rumbling sounds
    “he grumbled a rude response”
    “Stones grumbled down the cliff”
    synonyms: growl, rumble
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    type of:
    emit, let loose, let out, utter
    express audibly; utter sounds (not necessarily words)
  4. verb
    show one's unhappiness or critical attitude
    “We grumbled about the increased work load”
    synonyms: grouch, scold
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    type of:
    complain, kick, kvetch, plain, quetch, sound off
    express complaints, discontent, displeasure, or unhappiness
  5. noun
    a complaint uttered in a low and indistinct tone
    synonyms: grumbling, murmur, murmuring, mutter, muttering
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    type of:
    complaint
    an expression of grievance or resentment
  6. noun
    a loud low dull continuous noise
    synonyms: grumbling, rumble, rumbling
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    type of:
    noise
    sound of any kind (especially unintelligible or dissonant sound)
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