whispering

Noun
  1. A light noise, like the noise of silk clothing or leaves blowing in the wind (synset 107407383)
  2. Speaking softly without vibration of the vocal cords (synset 107145049)
Adjective
  1. Making a low continuous indistinct sound (synset 301458817)
    "like murmuring waves"; "susurrant voices"

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