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We found 30 dictionaries with English definitions that include the word upside down: Click on the first link on a line below to go directly to a page where "upside down" is defined. General (26 matching dictionaries) upside down: American Heritage Dictionary of the English Language [home, info] upside-down, upside-down, upside down: Collins English Dictionary [home, info] upside-down, upside down: Vocabulary.com [home, info] upside down: Macmillan Dictionary [home, info] upside down: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Upside-Down, Upside-down, upside-down, upside down: Wordnik [home, info] upside down: Cambridge Advanced Learner's Dictionary [home, info] upside-down, upside down: Wiktionary [home, info] upside down: Compact Oxford English Dictionary [home, info] upside down: The Wordsmyth English Dictionary-Thesaurus [home, info] upside down: Infoplease Dictionary [home, info] upside-down, upside down: Dictionary.com [home, info] upside down: Online Etymology Dictionary [home, info] upside-down, upside down: UltraLingua English Dictionary [home, info] Upside Down (A*Teens), Upside Down (A*Teens song), Upside Down (Diana Ross song), Upside Down (Jack Johnson song), Upside Down (Thomas Leeb album), Upside Down (boyband), Upside Down (disambiguation), Upside Down (single), Upside Down (song), Upside Down, Upside-down (loan), Upside down: Wikipedia, the Free Encyclopedia [home, info] upside-down, upside down: Rhymezone [home, info] upside down: Stammtisch Beau Fleuve Acronyms [home, info] upside-down, upside down: Free Dictionary [home, info] upside down: ESL Idiom Page [home, info] upside-down, upside down: Mnemonic Dictionary [home, info] upside-down, upside down: WordNet 1.7 Vocabulary Helper [home, info] upside-down, upside down: LookWAYup Translating Dictionary/Thesaurus [home, info] upside-down, upside down: Dictionary/thesaurus [home, info] upside down: Wikimedia Commons US English Pronunciations [home, info] Computing (1 matching dictionary) upside-down: Encyclopedia [home, info] Miscellaneous (1 matching dictionary) upside-down, upside down: Idioms [home, info] Science (1 matching dictionary) upside down: LITTLE EXPLORERS(TM) Picture Dictionary [home, info] Slang (1 matching dictionary) upside-down, upside down: Urban Dictionary [home, info]

Quick definitions from WordNet (upside down) ▸ adverb:  in an inverted manner ("The box was lying on the floor upside down") ▸ Word origin