- to hiss.
- to utter or pronounce with a hissing sound.
Origin of sibilate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to pronounce or utter (words or speech) with a hissing sound
Word Origin and History for sibilate
1650s, from Latin sibilatus, past participle of sibilare "to hiss, whistle" (see sibilant (adj.)). Related: Sibilated; sibilating.
Online Etymology Dictionary, © 2010 Douglas Harper