grunt

If your younger brother is particularly grouchy, he might simply grunt in answer to your question about whose turn it is to take out the garbage. A grunt is a short, deep sound.

If you think about the noise a pig makes, you'll have a good idea of what a grunt sounds like. It's an animal-like sound that people make when they're inarticulate, angry, sullen, or lazy — or sometimes if they're hurt or afraid. Pigs and other animals grunt too, no matter what their moods may be. The Old English root word, grunnettan, most likely came from the sound of a grunt.

Definitions of grunt
  1. verb
    issue a grunting, low, animal-like noise
    “He grunted his reluctant approval”
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    type of:
    emit, let loose, let out, utter
    express audibly; utter sounds (not necessarily words)
  2. noun
    the short low gruff noise of the kind made by hogs
    synonyms: oink
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    type of:
    noise
    sound of any kind (especially unintelligible or dissonant sound)
  3. noun
    an unskilled or low-ranking soldier or other worker
    “infantrymen in Vietnam were called grunts
    “he went from grunt to chairman in six years”
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    type of:
    unskilled person
    a person who lacks technical training
  4. noun
    medium-sized tropical marine food fishes that utter grunting sounds when caught
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    types:
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    Haemulon album, margate
    a grunt with a red mouth that is found from Florida to Brazil
    Haemulon macrostomum, Spanish grunt
    a kind of grunt
    Haemulon aurolineatum, tomtate
    found off the West Indies and Florida
    Haemulon malanurum, cottonwick
    of warm Atlantic waters
    Haemulon parra, sailor's-choice, sailors choice
    a grunt found from Florida to Brazil and Gulf of Mexico
    Anisotremus virginicus, pork-fish, porkfish
    black and gold grunt found from Bermuda to Caribbean to Brazil
    Anisotremus surinamensis, black margate, pompon
    dusky grey food fish found from Louisiana and Florida southward
    Orthopristis chrysopterus, hogfish, pigfish
    found from Long Island southward
    type of:
    percoid, percoid fish, percoidean
    any of numerous spiny-finned fishes of the order Perciformes
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