Sibilant
fricative or affricate consonant, of higher amplitude and pitch, made by directing a stream of air with the tongue towards the sharp edge of the teeth, which are held close together
Sibilants (from Latin: sibilans 'hissing') are fricative and affricate consonants of higher amplitude and pitch, produced with a high velocity jet of air going on to strike the edge of some obstruction, such as the teeth and sometimes the lips. Examples of sibilants in English are the consonants at the beginning of words sip, zip, ship, and genre. The symbols in the International Phonetic Alphabet used to denote the sibilant sounds in these words are, respectively, [s, z, ʃ, ʒ]. Sibilants have a characteristically intense sound, which accounts for their paralinguistic use in getting one's attention (e.g. calling someone using "psst!" or quieting someone using "shhhh!").
Overview
In the alveolar hissing sibilants, such as [s, z], the tongue forms a narrow channel (groove) to focus the stream of air towards the teeth, resulting in a higher pitched and more intense sound. With the postalveolar hushing sibilants (occasionally called shibilants, suggestive of their quality), such as [ʃ, ʒ], the tongue is flatter, and the resulting pitch lower.
A broader category is stridents, which also includes labiodental and uvular fricatives. Sibilants are a higher pitched subset of the stridents. The English sibilants are:
Fricatives /s, z, ʃ, ʒ/
Affricates /tʃ, dʒ/
while the English stridents are:
/s, z, ʃ, ʒ, tʃ, dʒ, f, v/
as /f/ and /v/ are stridents but not sibilants because they are lower in pitch.
“Sibilant” enters the record as fricative or affricate consonant, of higher amplitude and pitch, made by directing a stream of air with the tongue towards the sharp edge of the teeth, which are held close together. Crown Archives preserves that source wording while asking what Sibilant, fricative and affricate can confirm, complicate or overturn.
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“Sibilant” is worth following because a concise public description often conceals a longer documentary argument. Here, Sibilant, fricative and affricate provides the most credible route into that argument.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 16, 2026. The linked authority identifier is Q51600. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Sibilant” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.