I expected to hear back from them but I never heard a 'whisper'. [=I never heard from them again]
“I've had more than I can stand,” she complained in a 'stage whisper'.
I couldn't hear what they were saying because they were 'whispering'.
(..) What might be toward, that this sweaty haste doth make the night joint-labourer with the day? To the wars, my boy, to the wars! Or at least the whisper goes so Our last king was, as you know, by Fortinbras of Norway... ...thereto pricked on by a most ambitious pride, dared to the combat (..)2015 Hamlet