- murmuring, susurrant, whispering - making a low continuous indistinct sound; "like murmuring waves"; "susurrant voices"
Antonym: loud (indirect, via soft)
- rustle, rustling, whisper, whispering - the light noise like the noise of silk clothing or leaves blowing in the wind
--1 is a kind of noise
- whisper, whispering, susurration - speaking softly without vibration of the vocal cords
--2 is a kind of speaking, speech production
--2 has particulars: stage whisperDerived form: verb whisper1