DictionaryhissSharp s-like sound
noun / verb

hiss

HIS/hɪs/

A sharp s-like sound, or making that sound.

A sharp hiss escapes with the steam from the pressure cooker's valve.

A close-up of a metal pressure cooker's valve releasing a narrow, forceful jet of steam.
Etymology

Hiss was formed by imitating the noise itself: its prolonged s sound resembles escaping steam or a snake’s warning sound.

In context

DISCOVERY CHANNEL0:00
how do snakes hiss if they don't have front teeth
HOW DO SNAKES HISS IF THEY DON'T HAVE FRONT TEETH? Snake: Discovery Channel (Documentary)

More examples

  • Steam hisses from the valve as the kettle heats up.
  • A faint hiss comes from the radio between stations.
  • Several people hiss when the speaker insults the crowd.

Forms

hiss · hisses · hissed · hissing

Similar words

sizzle
Usually describes crackling from frying food or a hot surface.
whistle
Has a clear pitch rather than a breathy s-like sound.