She sighed, and the sibilance of it echoed with a strange lingering note between those high gray walls.
Her clan took the word up, and for a time the sibilance of it was like a hiss in the room.
There was not that sibilance and thunder that had turned me a bit gray inside at first sight of the Eagle.
So now he puckered his lips to the sibilance of a canoe-song, and waited.
His voice, its guttural note alternating with a sibilance on certain words, betrayed no traces of agitation.
He nodded without looking at me, and with some sibilance of excuse, read the message.
It was a gentle sound, but with a sibilance that held a threat of danger—like the hiss of a gigantic serpent.
Then the breaking of a twig and the sibilance of whispering voices—two of them—perhaps more.
1660s, from Latin sibilantem (nominative sibilans), present participle of sibilare "to hiss, whistle," possibly of imitative origin (cf. Greek sizein "to hiss," Lettish sikt "to hiss," Old Church Slavonic svistati "to hiss, whistle"). Related: Sibilance; sibilation (1620s).
"speech sound having a hissing effect," 1772, from sibilant (adj.).
sibilant sib·i·lant (sĭb'ə-lənt)
Of, characterized by, or producing a hissing sound like that of (s) or (sh).