hushed noiseless quiet silent soundless stilled stilly gentle low soft faint incomplete weak full bold clear deep loud powerful resonant resounding vibrant big canorous distinct intense orotund reverberative robust sharp strong vivid consonant expressive plummy potent reverberant reverberating sonorant sonorous baritone carrying harmonious mellifluous mellow substantial affable easygoing calm equable placid moderate mild sedate velvety fine pleasant relaxed soothing balmy light smooth subtle benign delicate dulcet silky temperate tender hearing listening witnessing murmur buzz drone hum buzzing humming thrum murmuration susurration thrumming whir purr sigh susurrus rumble dissonance abandonment contradiction differing opposing reversing