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See more synonyms for sibilate on Thesaurus.com
verb (used without object), sib·i·lat·ed, sib·i·lat·ing.
  1. to hiss.
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verb (used with object), sib·i·lat·ed, sib·i·lat·ing.
  1. to utter or pronounce with a hissing sound.
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Origin of sibilate

1650–60; < Latin sībilātus (past participle of sībilāre to hiss); see sibilant, -ate1
Related formssib·i·la·tion, nounsib·i·la·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sibilate

whisper, disapprove, hoot, whiz, deride, condemn, blow, decry, damn, rasp, shrill, mock, fizz, sizzle, spit, whistle, revile, wheeze, catcall, swish

British Dictionary definitions for sibilate


  1. to pronounce or utter (words or speech) with a hissing sound
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Derived Formssibilation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sibilate


1650s, from Latin sibilatus, past participle of sibilare "to hiss, whistle" (see sibilant (adj.)). Related: Sibilated; sibilating.

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Online Etymology Dictionary, © 2010 Douglas Harper