growl

growl
    n 1: the sound of growling (as made by animals) [syn: {growl},
         {growling}]
    v 1: to utter or emit low dull rumbling sounds; "he grumbled a
         rude response"; "Stones grumbled down the cliff" [syn:
         {grumble}, {growl}, {rumble}]
    

Growl \Growl\ (groul), v. i. [imp. & p. p. {Growled} (grould);
   p. pr. & vb. n. {Growling}.] [D. grollen to grunt, murmur, be
   angry; akin to G. grollen to be angry.]
   To utter a deep guttural sound, as an angry dog; to give
   forth an angry, grumbling sound. --Gay.
   [1913 Webster]
    

Growl \Growl\, v. t.
   To express by growling. --Thomson.
   [1913 Webster]
    

Growl \Growl\, n.
   The deep, threatening sound made by a surly dog; a grumbling
   sound.
   [1913 Webster]
    

127 Moby Thesaurus words for "growl":
      air a grievance, bark, bawl, beef, belch, bellow, bellyache, bitch,
      blare, blat, blubber, boom, booming, bray, breathe, burr, buzz,
      cackle, cannonade, caw, chant, chirp, chirr, clamor, clang,
      clangor, clank, clash, color, complain, coo, crab, craunch, croak,
      crow, crump, crunch, drawl, echo, exclaim, flush, flute, fret,
      fret and fume, frown, fuss, gasp, glare, glower, gnarl, grind,
      gripe, groan, grouch, grouse, growling, grumble, grumbling, grunt,
      hiss, holler, howl, jangle, jar, keen, kick, lilt,
      lodge a complaint, look daggers, lower, mantle, moan, mumble,
      murmur, mutter, pant, peal, pipe, raise a howl, rasp, reboation,
      rebound, redden, reecho, register a complaint, resound, resounding,
      reverberation, roar, roll, rumble, rumbling, scowl, scranch,
      scrape, scratch, scream, screech, scrunch, shriek, sibilate, sigh,
      sing, snap, snarl, snore, snort, sob, sough, spit, squall, squawk,
      squeal, take on, thunder, thundering, trumpet, twang, wail, warble,
      whine, whisper, whistle, yap, yawp, yell, yelp