Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

marathon

adjective [before noun] (LONG TIME)
 
 
/ˈmær.ə.θən/ US  /-θɑːn/

Definition

describes something that takes a very long time and makes you very tired: I had a marathon session marking 55 exam papers yesterday.Lasting for a long time
(Definition of marathon adjective (LONG TIME) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“marathon” in other dictionaries

Word of the Day

honest-to-goodness

real or true

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More