MARATHON Synonyms: 82 Similar and Opposite Words

marathon 1 of 2

adjective

Definition of marathon

as in long

lasting for a considerable time a marathon study session the night before the exam

Synonyms & Similar Words

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Antonyms & Near Antonyms

marathon

2 of 2

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of marathon

Adjective

Ada County has tried in past years to not take additional property taxes, Tripple told county commissioners in a marathon multi-hour meeting this week. — Idaho Statesman, 15 June 2026 The Senate already painstakingly passed the measure after a marathon night of voting. — Zachary Schermele, USA Today, 9 June 2026

Noun

The marathon concert also featured The Who, Elton John, Bon Jovi, Jay-Z and McCartney, among so many other artists. — Krystie Lee Yandoli, USA Today, 10 Sep. 2026 The Los Angeles Rams are running a marathon rather than a sprint with Aaron Donald. — Armando Salguero Outkick, FOXNews.com, 8 Sep. 2026 See All Example Sentences for marathon

Recent Examples of Synonyms for marathon

Adjective

This dates back to the dawn of consumer-facing chatbot AI, which didn’t have a long honeymoon period as exciting and life-changing tech.

— Ashley Gold, semafor.com, 15 Sep. 2026
Rutte pledged to increase support for Ukraine and bolster the 32-nation alliance's own defenses along its long eastern border with Russia.

— Arkansas Online, Arkansas Online, 15 Sep. 2026

Definition of long

Noun

Summary Modern leadership requires mental strength akin to ultramarathon runners, as executives face unprecedented pressure, visibility, and a heavy psychosomatic toll.

— Julian Hayes II, Forbes.com, 28 Aug. 2026
Here, in a sleepy suburb just outside the city along the banks of the River Avon, Jackson is in the process of running his 81st consecutive ultramarathon, surpassing the men’s record which stood at 80.

— Rob Tanner, New York Times, 20 Aug. 2026

Definition of ultramarathon

Adjective

The senior Iranian official said the country has been rebuilding its military capabilities since the most intense period of the war ended in April and has enough missiles for a lengthy conflict.

— Arkansas Online, Arkansas Online, 10 Sep. 2026
When Ryan Day became Ohio State’s head coach in 2019, his job responsibilities were lengthy.

— Cameron Teague Robinson, New York Times, 10 Sep. 2026

Definition of lengthy

Noun

On that day, Americans did not first ask one another about religion, ethnicity, race, or background.

— Niraj Warikoo, Freep.com, 12 Sep. 2026
This track, though labeled as a street course, has no maintenance holes or drain covers like the kind that plagued the Las Vegas race debut in 2023.

— Madeline Coleman, New York Times, 11 Sep. 2026

Definition of race

Noun

With participation growing each year, organizers say the event formerly known as the Chicago Triathlon is on track to become the largest triathlon in the world.

— Lila Hempel-Edgers, Chicago Tribune, 22 Aug. 2026
Hers is a spectacular rise — a list of remarkable achievements for someone who only started road cycling in the last few years, having previously competed nationally in duathlon (triathlon without the swimming).

— Jessica Hopkins, New York Times, 4 Aug. 2026

Definition of triathlon

Noun

Masters would go on to compete in rowing, cross-country skiing, biathlon, and cycling, winning medals across both Summer and Winter Paralympic Games.

— Tim Genske, Forbes.com, 10 Mar. 2026
The sport was introduced for athletes with physical disabilities at the 1988 Innsbruck Paralympic Games and for athletes with visual disabilities in 1992 at Albertville.

— ABC News, ABC News, 6 Mar. 2026

Definition of biathlon

Noun

Harper Hutton, 12, of Aurora Flyers, placed second in the girls pentathlon high jump, fourth in the pentathlon 80-meter hurdles and pentathlon long jump and fifth in the girls pentathlon shot put.

— Addison Wright, Chicago Tribune, 16 Aug. 2026
Thorpe followed his pentathlon win with another commanding performance in the decathlon, earning his second medal of the 1912 Olympics and setting a world record.

— AJ Willingham, AJC.com, 8 July 2026

Definition of pentathlon

Noun

American Ashton Eaton defends his Olympic decathlon title, equaling the games record with a surge on the last lap of the 1,500 meters — the last event in the two-day competition.

— Assistant Sports Editor, Los Angeles Times, 18 Aug. 2026
Tom Holland’s Peter has a favorite bodega, chases bad guys through backyards, and struggles to mix superhero-ing with the academic decathlon.

— Darren Franich, Entertainment Weekly, 1 Aug. 2026

Definition of decathlon

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“Marathon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/marathon. Accessed 16 Sep. 2026.

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Synonyms of marathon

adjective

noun

Example Sentences

Browse Nearby Words

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