a very quiet voice you make using your breath and no sound
in a whisper
'Where are we going?' he asked in a whisper.
a piece of news or information that has not been officially announced and may or may not be true [= rumour]
The first whisper of the redundancies came from the newspapers.
There are whispers that the actor was seen checking into a hospital last week.
a low soft sound made by something such as the wind