murmuring

adjective

  1. 1

    making a low continuous indistinct sound

    like murmuring waves

    susurrant voices

noun

  1. 1

    a complaint uttered in a low and indistinct tone

  2. 2

    a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech

Synonyms

Also useful for “murmuring”:Unscrambler