[{"Bold_text": "verb (used without object)", "List Items": ["to make or emit a sharp sound like that of the lettersprolonged, as a snake does, or as steam does when forced under pressure through a small opening.", "to express disapproval or contempt by making this sound:The audience hissed when the actor forgot his lines.Synonyms: heckle , razz , boo"]}, {"Bold_text": "verb (used with object)", "List Items": ["to express disapproval of by hissing :The audience hissed the controversial play.", "to silence or drive away by hissing (usually followed byaway, down,etc.):They hissed down the author when he tried to speak.Synonyms: heckle , razz , boo", "to utter with a hiss."]}, {"Bold_text": "noun", "List Items": ["a hissing sound, especially one made in disapproval."]}, {"Bold_text": "noun", "List Items": ["Alger,1904–96,U.S. public official, accused of espionage 1948 and imprisoned for perjury 1950–54."]}]