1. [ verb ] make a sharp hissing sound, as if to show disapproval
Synonyms: sizz sibilate siss
Related terms: utter hisser
2. [ noun ] a fricative sound (especially as an expression of disapproval)
Synonyms: hissing sibilation

"the performers could not be heard over the hissing of the audience"

Related terms: noise boo
3. [ verb ] show displeasure, as after a performance or speech
Synonyms: boo
Related terms: applaud condemn boo
4. [ verb ] express or utter with a hiss
Synonyms: siss sibilate sizz
Related terms: talk assibilation boo
5. [ verb ] move with a whooshing sound
Synonyms: whoosh
Related terms: travel
6. [ noun ] a cry or noise made to express displeasure or contempt
Synonyms: hoot Bronx_cheer raspberry razzing snort bird boo
Related terms: cry snore hoot
Similar spelling:   his