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We found 38 dictionaries with English definitions that include the word marathon: Click on the first link on a line below to go directly to a page where "marathon" is defined. General (28 matching dictionaries) Marathon, marathon: American Heritage Dictionary of the English Language [home, info] marathon: Collins English Dictionary [home, info] Marathon, marathon: Vocabulary.com [home, info] marathon: Macmillan Dictionary [home, info] marathon: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Marathon, marathon: Wordnik [home, info] marathon: Cambridge Advanced Learner's Dictionary [home, info] Marathon: Wiktionary [home, info] marathon: Compact Oxford English Dictionary [home, info] marathon: Webster's New World College Dictionary, 4th Ed. [home, info] Marathon, marathon: The Wordsmyth English Dictionary-Thesaurus [home, info] marathon: Infoplease Dictionary [home, info] marathon: Dictionary.com [home, info] marathon: Online Etymology Dictionary [home, info] Marathon, marathon: UltraLingua English Dictionary [home, info] marathon: Cambridge Dictionary of American English [home, info] Marathon(computer game), Marathon (Album), Marathon (automobile), Marathon (bar), Marathon (candy), Marathon (company), Marathon (computer game), Marathon (computer game series), Marathon (confectionery), Marathon (disambiguation), Marathon (film), Marathon (film) (disambiguation), Marathon (game), Marathon (movie), Marathon (race), Marathon (sport), Marathon (sports), Marathon (sweet), Marathon (television), Marathon (video game), Marathon (watch), Marathon, The Marathon: Wikipedia, the Free Encyclopedia [home, info] marathon: Rhymezone [home, info] marathon, marathon (de), marathon (m): AllWords.com Multi-Lingual Dictionary [home, info] Marathon: Encarta® Online Encyclopedia, North American Edition [home, info] Marathon: 1911 edition of the Encyclopedia Britannica [home, info] marathon: Free Dictionary [home, info] marathon: Mnemonic Dictionary [home, info] marathon: WordNet 1.7 Vocabulary Helper [home, info] Marathon, marathon: LookWAYup Translating Dictionary/Thesaurus [home, info] Marathon: Dictionary/thesaurus [home, info] Art (1 matching dictionary) Marathon: Global Glossary [home, info] Business (2 matching dictionaries) marathon: Travel Industry Dictionary [home, info] Marathon (race), Marathon (sport), Marathon (sports), marathon: Legal dictionary [home, info] Computing (1 matching dictionary) Marathon (race), Marathon (sport), Marathon (sports), marathon: Encyclopedia [home, info] Medicine (1 matching dictionary) Marathon (race), Marathon (sport), Marathon (sports), marathon: Medical dictionary [home, info] Miscellaneous (1 matching dictionary) marathon: A Word A Day [home, info] Science (2 matching dictionaries) Marathon: Archaeology Wordsmith [home, info] marathon: How Many? A Dictionary of Units of Measurement [home, info] Slang (1 matching dictionary) marathon: Urban Dictionary [home, info] Sports (1 matching dictionary) Marathon: Sports Definitions [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (marathon) ▸ noun:  any long and arduous undertaking ▸ noun:  a battle in 490 BC in which the Athenians and their allies defeated the Persians ▸ noun:  a footrace of 26 miles 385 yards ▸ Word origin