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Definition of “marathon” - English Dictionary

"marathon" in American English

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marathonnoun [C]

 us   /ˈmær·əˌθɑn/
a long race, run on roads, of 26.2 miles or 42.2 kilometers: The New York City marathon begins in Staten Island and ends in Manhattan’s Central Park.
A marathon is also an activity that continues for a very long time: a dance marathon

marathonadjective [not gradable]

 us   /ˈmær·əˌθɑn/
A marathon activity is one that continues for a very long time: The marathon negotiating session lasted all night.
(Definition of marathon from the Cambridge Academic Content Dictionary © Cambridge University Press)







"marathon" in British English

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marathonnoun [C]

uk   /ˈmær.ə.θən/  us   /ˈmer.ə.θɑːn/

marathonadjective [before noun]

uk   /ˈmær.ə.θən/  us   /ˈmer.ə.θɑːn/
(Definition of marathon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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