sibilate

1 of 2

verb

sib·​i·​late ˈsi-bə-ˌlāt How to pronounce sibilate (audio)
sibilated; sibilating

intransitive verb

1
: hiss
2
: to utter an initial sibilant : prefix an \s\-sound

transitive verb

1
: hiss
2
: to pronounce with an initial sibilant : prefix an \s\-sound to
sibilation noun

sibilation

2 of 2

noun

sib·​i·​la·​tion ˌsibəˈlāshən How to pronounce sibilation (audio)
plural -s
1
: the action of sibilating
2
: a sibilated utterance

Word History

Etymology

Verb

Latin sibilatus, past participle of sibilare

Noun

Late Latin sibilation-, sibilatio, from Latin sibilatus (past participle) + -ion-, -io -ion

First Known Use

Verb

circa 1656, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of sibilate was circa 1656

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Cite this Entry

“Sibilate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sibilate. Accessed 29 Jun. 2026.

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