1. to make a sharp sibilant sound like that of the letter s
2. to show disapproval or contempt by making a hissing sound

1. a sharp sibilant sound
2. an expression of disapproval or contempt made by hissing

Examples

• The snake hissed when we approached.
• Steam hissed from the radiator.
• The audience hissed at the villain on stage.
• She hissed her disapproval under her breath.
• We heard the hiss of air escaping from the tire.
• The actor was greeted with boos and hisses.
• The cat’s angry hiss warned us to stay away.