2. whisper what one dares not speak out, whisper slanders, “κατά τινος” Alciphr.3.58, LXXPs.40(41).7; “ψ. και᾽ διαβάλλειν” Them.Or.21.262c:—Pass., “τὸ ψιθυριζόμενον ὄνομα” Plu.Alc.23.
3. metaph. of trees, whisper (i. e. rustle), “ὁπόταν πλάτανος πτελέᾳ ψιθυρίζῃ” Ar. Nu.1008 (anap.); also of swallows, twitter, Poll.5.90.