One of them swore, in a whisper, and the oath came back upon them, echoing the name of the Saviour in hideous sibilance.

It was rich in labials, gutturals, and odd sibilances.

You wouldn't marry her, John?" Her tone was soft, but the inference had the ominous sibilance of a whip-lash, which swirled in the air and circled over Hermia, too.

The rope cut through the air with vicious sibilance and fell across the stooped shoulders.