The Collaborative International Dictionary
Whisperingly \Whis"per*ing*ly\, adv.
In a whisper, or low voice; in a whispering manner; with
whispers.
--Tennyson.
Wiktionary
adv. In a whispering manner; quietly.
Usage examples of "whisperingly".
Certain trips of his into the country were the objects of much local inquisitiveness, and were whisperingly associated with vague rumours of fires on the hills at night.
They represented my ancestors as a race of hereditary daemons beside whom Gilles de Retz and the Marquis de Sade would seem the veriest tyros, and hinted whisperingly at their responsibility for the occasional disappearances of villagers through several generations.
And reading his thoughts, Shaitan had whisperingly, gurglingly, chortlingly agreed, 'Aye, it's simple as that: I like it, and I need the practice!