Synonyms of murmuring

1 Syllable

growl, faint, hum, purl, buzz, drip, purr, moan, flow

2 Syllables

faintest, meander, stammer, drone, ripple, tranquil, utter, gurgle, babble, fainter, tinkle, burble, rumble, mumble, trickle, quietly, mutter, stutter, voice, whisper

3 Syllables

complaining, tacitly, soundlessly

4 Syllables

verbalize, vocalize, susurrate, stage-whisper, inaudibly, noiselessly