Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun marathon

3 senses of marathon

Sense 1
marathon, endurance contest -- (any long and arduous undertaking)
       => undertaking, project, task, labor -- (any piece of work that is undertaken or attempted; "he prepared for great undertakings")

Sense 2
marathon -- (a footrace of 26 miles 385 yards)
       => footrace, foot race, run -- (a race run on foot; "she broke the record for the half-mile run")

Sense 3
Marathon, battle of Marathon -- (a battle in 490 BC in which the Athenians and their allies defeated the Persians)
       INSTANCE OF=> pitched battle -- (a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place)