n. 25B6; verb
the escaping gas hissed : FIZZ, fizzle, whistle, wheeze; rare sibilate.
the audience hissed : JEER, catcall, whistle, hoot; scoff, jibe.
25B6; noun
the hiss of the steam : FIZZ, fizzing, whistle, hissing, sibilance, wheeze; rare sibilation.
the speaker received hisses : JEER, catcall, whistle; abuse, scoffing, taunting, derision.