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List phrases that spell out boo 

We found 41 dictionaries with English definitions that include the word boo: Click on the first link on a line below to go directly to a page where "boo" is defined. General (27 matching dictionaries) boo, boo: American Heritage Dictionary of the English Language [home, info] boo: Collins English Dictionary [home, info] boo: Vocabulary.com [home, info] boo, boo: Macmillan Dictionary [home, info] boo: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Boo, boo: Wordnik [home, info] boo: Cambridge Advanced Learner's Dictionary [home, info] Boo: Wiktionary [home, info] boo: Compact Oxford English Dictionary [home, info] boo: Webster's New World College Dictionary, 4th Ed. [home, info] boo: The Wordsmyth English Dictionary-Thesaurus [home, info] boo: Infoplease Dictionary [home, info] BOO: Dictionary.com [home, info] boo: Online Etymology Dictionary [home, info] boo: UltraLingua English Dictionary [home, info] boo: Cambridge Dictionary of American English [home, info] boo: Cambridge International Dictionary of Idioms [home, info] Boo (Aller), Boo (Dark Angel), Boo (Dragon Ball), Boo (Mario Brothers), Boo (Nintendo), Boo (character), Boo (disambiguation), Boo (fictional character), Boo (film), Boo (hamster), Boo (programming language), Boo, Boo, The Boo (book): Wikipedia, the Free Encyclopedia [home, info] boo: Rhymezone [home, info] BOO, Boo, Boo: Stammtisch Beau Fleuve Acronyms [home, info] boo: Free Dictionary [home, info] boo: Mnemonic Dictionary [home, info] boo: WordNet 1.7 Vocabulary Helper [home, info] boo: LookWAYup Translating Dictionary/Thesaurus [home, info] boo: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) Boo (disambiguation), Boo, Boo: Encyclopedia [home, info] Medicine (3 matching dictionaries) BOO: Prostate Cancer Interactive Glossary [home, info] BOO, Boo (disambiguation), Boo: Medical dictionary [home, info] BOO: University of Maryland Glossary of Medical Terms [home, info] Miscellaneous (4 matching dictionaries) BOO: Acronym Finder [home, info] BOO: Three Letter Words with definitions [home, info] BOO: AbbreviationZ [home, info] boo: Idioms [home, info] Science (1 matching dictionary) BOO: Cytokines & Cells Online Pathfinder Encyclopaedia [home, info] Slang (4 matching dictionaries) Boo: Totally Unofficial Rap [home, info] boo: Colloquial Speech of Carleton County, New Brunswick, Canada [home, info] Boo: Street Terms: Drugs and the Drug Trade [home, info] Boo, The BOO, boo: Urban Dictionary [home, info] Tech (1 matching dictionary) BOO: AUTOMOTIVE TERMS [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (boo) ▸ noun:  a cry or noise made to express displeasure or contempt ▸ verb:  show displeasure, as after a performance or speech ▸ Word origin