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We found 26 dictionaries with English definitions that include the word know-it-all: Click on the first link on a line below to go directly to a page where "know-it-all" is defined. General (24 matching dictionaries) know-it-all: American Heritage Dictionary of the English Language [home, info] know-it-all, know-it-all: Collins English Dictionary [home, info] know-it-all: Vocabulary.com [home, info] know-it-all: Macmillan Dictionary [home, info] know-it-all: Merriam-Webster's Online Dictionary, 11th Edition [home, info] know-it-all: Wordnik [home, info] know-it-all: Cambridge Advanced Learner's Dictionary [home, info] know-it-all: Wiktionary [home, info] know-it-all: Compact Oxford English Dictionary [home, info] know-it-all: Webster's New World College Dictionary, 4th Ed. [home, info] know-it-all: Infoplease Dictionary [home, info] know-it-all: Dictionary.com [home, info] know-it-all: UltraLingua English Dictionary [home, info] know-it-all: Cambridge Dictionary of American English [home, info] know-it-all: Cambridge International Dictionary of Idioms [home, info] Know-it-all, The Know-It-All: Wikipedia, the Free Encyclopedia [home, info] know-it-all: Rhymezone [home, info] know-it-all: Free Dictionary [home, info] know-it-all: Mnemonic Dictionary [home, info] know-it-all: WordNet 1.7 Vocabulary Helper [home, info] know-it-all: LookWAYup Translating Dictionary/Thesaurus [home, info] know-it-all: Dictionary/thesaurus [home, info] Business (1 matching dictionary) know-it-all: Legal dictionary [home, info] Slang (1 matching dictionary) know-it-all: Urban Dictionary [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (know-it-all) ▸ noun:  someone who thinks he knows everything and refuses to accept advice or information from others