BOO
boo, hoot, Bronx cheer, hiss, raspberry, razzing, razz, snort, bird
(noun) a cry or noise made to express displeasure or contempt
boo, hiss
(verb) show displeasure, as after a performance or speech
Source: WordNet® 3.1
Etymology 1
Proper noun
Boo
A locality in Nacka, Stockholm, central Sweden.
Etymology 2
Proper noun
Boo
(linguistics) The Boko language.
Anagrams
• OBO, OOB, OoB, o/b/o, obo
Etymology 1
Interjection
boo
A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
Used ironically in a situation where one had the opportunity to scare someone by speaking suddenly.
An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
Noun
boo (plural boos)
A derisive shout made to indicate disapproval.
Verb
boo (third-person singular simple present boos, present participle booing, simple past and past participle booed)
(intransitive) To shout extended boos derisively.
(transitive) To shout extended boos at, as a form of derision.
Antonyms
• cheer
Etymology 2
Noun
boo (plural boos)
(US, Canada, African-American Vernacular, slang) A close acquaintance or significant other.
Etymology 3
Noun
boo (uncountable)
(slang) Cannabis.
Anagrams
• OBO, OOB, OoB, o/b/o, obo
Source: Wiktionary