| Main Entry: | |
| Part of Speech: | verb |
| Definition: | make low, continuous sound |
| Synonyms: | babble, burble, buzz, drip, drone, flow, growl, gurgle, hum, meander, moan, mumble, mutter, purl, purr, ripple, rumble, stage-whisper, stammer, stutter, susurrate, tinkle, trickle, utter, verbalize, vocalize, voice, whisper |
| Antonyms: | speak clearly |
| Main Entry: | breathe |
| Part of Speech: | verb |
| Definition: | tell information |
| Synonyms: | articulate, confide, express, murmur, say, sigh, utter, voice, whisper |
| Antonyms: | hide, secret |
| Main Entry: | bubble |
| Part of Speech: | verb |
| Definition: | foam, froth up, especially with sound |
| Synonyms: | boil, burble, churn, eddy, effervesce, erupt, fester, fizz, gurgle, gush, issue, moil, murmur, percolate, ripple, seep, seethe, simmer, smolder, sparkle, spume, stir, swash, trickle, well |
| Main Entry: | buzz |
| Part of Speech: | verb |
| Definition: | make droning sound |
| Synonyms: | bombinate, bumble, drone, fizz, fizzle, hum, murmur, reverberate, ring, sibilate, whir, whisper, whiz |
| Main Entry: | gripe |
| Part of Speech: | verb |
| Definition: | complain |
| Synonyms: | bellyache, blow off, carp, crab, fuss, groan, grouch, grouse, grumble, kvetch, moan, murmur, mutter, nag, squawk, take on*, whine, yammer, yawp |
| Antonyms: | compliment, praise |
| Main Entry: | groan |
| Part of Speech: | verb |
| Definition: | moan, complain |
| Synonyms: | bemoan, cry, gripe, grouse, grumble, keen, lament, mumble, murmur, object, sigh, whine |
| Notes: | a groan (noun) is an utterance expressing pain or disapproval or a loud moan - groan (verb) means to indicate pain, discomfort, or displeasure or to moan loudly; grown is the past participle of grow and means fully developed |
| Main Entry: | grouch |
| Part of Speech: | verb |
| Definition: | complain a lot |
| Synonyms: | bellyache, carp, find fault, gripe, grouse, grumble, moan, murmur, mutter, scold, whine |
| Antonyms: | compliment, praise |
| Main Entry: | hum |
| Part of Speech: | verb |
| Definition: | buzz, vibrate |
| Synonyms: | bombilate, bombinate, bum, bumble, croon, drone, moan, mumble, murmur, purr, rustle, sing, sing low, sound, strum, throb, thrum, trill, warble, whir, whisper, zoom |
| Main Entry: | jabber |
| Part of Speech: | verb |
| Definition: | talk incessantly and trivially |
| Synonyms: | babble, blather, chatter, drivel, gab, go on and on, jaw, mumble, murmur, mutter, prate, ramble, run off at mouth, shoot the breeze, talk, tattle, utter, yak, yap |
| Antonyms: | be silent |