1. (v. i.) To utter a deep guttural sound, as an angry dog; to give forth an angry, grumbling sound.

2. (v. t.) To express by growling.

3. (n.) The deep, threatening sound made by a surly dog; a grumbling sound.

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