To make with the mouth a prolonged sound like that of the letter s, by driving the breath between the tongue and the teeth; to make with the mouth a sound like that made by a goose or a snake when angered; esp., to make such a sound as an expression of hatred, passion, or disapproval.
- A sharp sibilant sound similar to a sustained s.
- An expression of disapproval, contempt, or dissatisfaction conveyed by use of this sound.
- To make a hiss: The audience booed and hissed. The teakettle hissed on the stove.
- To utter with a hiss:
- To express (a negative view or reaction) by uttering a hiss: The audience hissed its displeasure.