| Word | Definitions | Synonyms |
|---|---|---|
| sibilant | (noun) a consonant characterized by a hissing sound (like s or sh) | Synonyms: sibilant consonant |
| sibilation | (noun) pronunciation with a sibilant (hissing or whistling) sound | Synonyms: assibilation |
| (noun) a fricative sound (especially as an expression of disapproval) | Synonyms: fizzle, hiss, hissing, hushing |