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We found 37 dictionaries with English definitions that include the word impair: Click on the first link on a line below to go directly to a page where "impair" is defined. General (30 matching dictionaries) impair: American Heritage Dictionary of the English Language [home, info] impair: Collins English Dictionary [home, info] impair: Vocabulary.com [home, info] impair: Macmillan Dictionary [home, info] impair: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Impair, impair: Wordnik [home, info] impair: Cambridge Advanced Learner's Dictionary [home, info] Impair: Wiktionary [home, info] impair: Webster's New World College Dictionary, 4th Ed. [home, info] impair: V2 Vocabulary Building Dictionary [home, info] impair: The Wordsmyth English Dictionary-Thesaurus [home, info] impair: Infoplease Dictionary [home, info] impair: Dictionary.com [home, info] impair: Online Etymology Dictionary [home, info] impair: UltraLingua English Dictionary [home, info] impair: Cambridge Dictionary of American English [home, info] Impair: Online Plain Text English Dictionary [home, info] impair: Webster's Revised Unabridged, 1913 Edition [home, info] impair: Rhymezone [home, info] impair, impair(e): AllWords.com Multi-Lingual Dictionary [home, info] impair: Webster's 1828 Dictionary [home, info] impair: Hutchinson's Dictionary of Difficult Words [home, info] impair: Free Dictionary [home, info] impair: Hutchinson Dictionaries [home, info] impair: Mnemonic Dictionary [home, info] impair: WordNet 1.7 Vocabulary Helper [home, info] impair: LookWAYup Translating Dictionary/Thesaurus [home, info] impair: Dictionary/thesaurus [home, info] Business (4 matching dictionaries) impair: Webster's New World Law Dictionary [home, info] impair: Glossary of Legal Terms [home, info] impair: Legal dictionary [home, info] impair: Financial dictionary [home, info] Computing (1 matching dictionary) impair: Encyclopedia [home, info] Medicine (1 matching dictionary) impair: Medical dictionary [home, info] Miscellaneous (1 matching dictionary) impair: Idioms [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (impair) ▸ verb:  make worse or less effective ("His vision was impaired") ▸ verb:  make imperfect ▸ Word origin