boo (n.)

  1. a cry or noise made to express displeasure or contempt

    [ Syn: hoot , bronx cheer , hiss , raspberry , razzing , razz , snort , bird ]

    boo (v.)

  1. show displeasure, as after a performance or speech

    [ Syn: hiss ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.