murmuring Synonyms

murmuration mussitation susurrant mutter grumbling grumble murmur whispering muttering peevish purl in low tones grouse mumble mumbling mouthing purling querulous in a low voice murmurs Grumbles in a whisper burble whisper rumble whining undertone susurration sigh rustling rippling moaning intoning crooning croaking crabbing complaintful complaint complain complaining buzz buzzing bubbling babblement babble discontented dissatisfaction drone humming gurgle