Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

marathon

adjective

Synonyms and Antonyms of marathon

  1. lasting for a considerable time <a marathon study session the night before the exam> Synonyms extended, far, great, lengthy, long-drawn-out (or long-drawn), long-lived, long-termRelated Words aeonian (or aeonic), endless, everlasting, interminable, persistent; longish, overlong, prolonged, protracted; permanent; all-day, all-night; multiday, multiyearNear Antonyms abrupt, sudden; abbreviated, condensed, curtailed, shortened; ephemeral, fleeting, momentary, transient, transitory; impermanent; short-rangeAntonyms brief, little, mini, short, shortish, short-lived, short-term





Seen and Heard

What made you want to look up marathon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to work hard

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry maudlin oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ