Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “marathon”

marathon

noun [C] uk   /ˈmær.ə.θən/ us    /-θɑːn/

marathon noun [C] (RACE)

B2 a running race of slightly over 26 miles (42.195 kilometres): the London/New York marathon She did/ran her first marathon in just under three hours.

marathon noun [C] (LONG ACTIVITY)

an activity that takes a long time and makes you very tired: The election broadcast, a nine-hour marathon, lasts until seven o'clock in the morning.

marathon

adjective [before noun] uk   /ˈmær.ə.θən/ us    /-θɑːn/

marathon adjective [before noun] (RACE)

related to marathons (= running races): a marathon runner

marathon adjective [before noun] (LONG TIME)

describes something that takes a very long time and makes you very tired: I had a marathon session marking 55 exam papers yesterday.
(Definition of marathon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of marathon?
Browse related topics

You are looking at an entry to do with Difficult things and people, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

More meanings of “marathon”

Definitions of “marathon” in other dictionaries

Word of the Day

hello stranger

said to a person that you know but have not seen for a long time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More