Mumblings refer to low, indistinct and unclear sounds made by someone. If you are looking for synonyms for mumblings, the following words may help you sound proficient in your writing without repeating the same words: murmurs, whispers, mutterings, mumbles, grunt, grumbles, gibberish, droning, blathering, murmuration, speaking softly or in hushed tones, babbling and slurring. These words can be used interchangeably to describe the way someone speaks when they are either talking softly or not pronouncing words clearly. Choose the right synonym that best suits the context in your writing to add flavor and depth to your work.