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We found 17 dictionaries with English definitions that include the word up in the air: Click on the first link on a line below to go directly to a page where "up in the air" is defined. General (14 matching dictionaries) up in_the_air: Collins English Dictionary [home, info] up in_the_air: Vocabulary.com [home, info] up in_the_air: Merriam-Webster's Online Dictionary, 11th Edition [home, info] up in_the_air: Cambridge Advanced Learner's Dictionary [home, info] up in_the_air: Wiktionary [home, info] up in_the_air: Dictionary.com [home, info] up in_the_air: UltraLingua English Dictionary [home, info] Up in_the_Air (film), Up in the Air: Wikipedia, the Free Encyclopedia [home, info] up in_the_air: Rhymezone [home, info] up in_the_air: Free Dictionary [home, info] up in_the_air: Mnemonic Dictionary [home, info] up in_the_air: WordNet 1.7 Vocabulary Helper [home, info] up in_the_air: LookWAYup Translating Dictionary/Thesaurus [home, info] up in_the_air: Dictionary/thesaurus [home, info] Business (1 matching dictionary) up in_the_air: Legal dictionary [home, info] Miscellaneous (1 matching dictionary) up in_the_air: Idioms [home, info] Slang (1 matching dictionary) Up in the air: Urban Dictionary [home, info]

Quick definitions from WordNet (up in the air) ▸ adjective:  very uncertain ("Left everything up in the air") ▸ adjective:  not yet determined ("Plans are still up in the air")