|Origin:||From the sound|
1 [intransitive and transitive]
to say something in a loud whisper:
'Get out!' she hissed furiously.
She hissed at me to be quiet.
to make a noise which sounds like 'ssss':
The cat backed away, hissing.
Snakes only hiss when they are afraid.
3 [intransitive and transitive]
if a crowd hisses a speaker, they interrupt them with angry sounds to show that they do not like them:
He was booed and hissed during a stormy meeting.
—hiss noun [countable]
She heard a faint hiss as the metal struck the water.