sibilation

• sibilation

sibilation

Noun

a fricative sound (especially as an expression of disapproval); "the performers could not be heard over the hissing of the audience"

Synonyms:

• hiss
• hissing
• hushing
• fizzle
• sibilation

Noun

pronunciation with a sibilant (hissing or whistling) sound

Synonyms:

• sibilation
• assibilation