the GNU version of the Collaborative International Dictionary of English
adj. Whispering.
The Century Dictionary and Cyclopedia
Murmuring; sighing; whispering; susurrous.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. making a low continuous indistinct sound
Word Usage
"I lay in the gloom watching them swirl unsteadily in the light breeze of the ceiling fan — their susurrant voices emitting smoke that held for just a moment before the stuttering wind from the blades dissipated them unsteadily."