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We found 36 dictionaries with English definitions that include the word retardation: Click on the first link on a line below to go directly to a page where "retardation" is defined. General (27 matching dictionaries) retardation: American Heritage Dictionary of the English Language [home, info] retardation: Collins English Dictionary [home, info] retardation: Vocabulary.com [home, info] retardation: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Retardation, retardation: Wordnik [home, info] retardation: Cambridge Advanced Learner's Dictionary [home, info] retardation: Wiktionary [home, info] retardation: Webster's New World College Dictionary, 4th Ed. [home, info] retardation: The Wordsmyth English Dictionary-Thesaurus [home, info] retardation: Infoplease Dictionary [home, info] retardation: Dictionary.com [home, info] retardation: Online Etymology Dictionary [home, info] retardation: UltraLingua English Dictionary [home, info] retardation: Cambridge Dictionary of American English [home, info] Retardation (music), Retardation: Wikipedia, the Free Encyclopedia [home, info] Retardation: Online Plain Text English Dictionary [home, info] retardation: Webster's Revised Unabridged, 1913 Edition [home, info] retardation: Rhymezone [home, info] Retardation: AllWords.com Multi-Lingual Dictionary [home, info] retardation: Webster's 1828 Dictionary [home, info] retardation: Free Dictionary [home, info] retardation: Mnemonic Dictionary [home, info] retardation: WordNet 1.7 Vocabulary Helper [home, info] retardation: LookWAYup Translating Dictionary/Thesaurus [home, info] retardation: Dictionary/thesaurus [home, info] Art (1 matching dictionary) Retardation: Virginia Tech Multimedia Music Dictionary [home, info] Business (2 matching dictionaries) Retardation: Construction Term Glossary [home, info] retardation: Legal dictionary [home, info] Computing (1 matching dictionary) retardation: Encyclopedia [home, info] Medicine (3 matching dictionaries) retardation: online medical dictionary [home, info] Retardation: Hepatitis C Information Central [home, info] retardation: Medical dictionary [home, info] Science (1 matching dictionary) retardation: Archaeology Wordsmith [home, info] Slang (1 matching dictionary) Retardation: Urban Dictionary [home, info]

Quick definitions from WordNet (retardation) ▸ noun:  lack of normal development of intellectual capacities ▸ noun:  the extent to which something is delayed or held back ▸ noun:  the act of slowing down or falling behind ▸ noun:  a decrease in speed ▸ noun:  any agent that retards or delays or hinders ▸ Word origin