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

Traditionally known as an ultra-marathon trail running shoe, the Hoka Mafate 5 model is designed to withstand impact and grip technical terrain like a pro. — Nicolette Accardi, Travel + Leisure, 30 May 2026 Their research did not include a control group of non-marathon runners, meaning that coincidence isn't necessarily off the table. — Rachel Raposas, PEOPLE, 22 May 2026

Noun

It’s been a big summer for marathon-watching things on television. — Margaux Anbouba, Vogue, 13 July 2026 Several of Imahara’s MythBusters colleagues mourned his death, while the Discovery Channel and the Science Channel both honored his legacy by running a MythBusters marathon with some of his most memorable moments. — Caroline Blair, PEOPLE, 13 July 2026 See All Example Sentences for marathon

Recent Examples of Synonyms for marathon

Adjective

Assuming the battery is fine (and all the other electrical components and solder have survived the long journey through time), how will the iPhone be activated?

— Ewan Spence, Forbes.com, 6 July 2026
Now back in King’s Landing, Corlys is distracted at best, meeting with Rhaenyra’s small council to address the crown’s nonexistent funds — the latest on a long list of problems that need solving for the new Queen of the Seven Kingdoms.

— Zoe Papelis, Vulture, 6 July 2026

Definition of long

Noun

More than 20,000 runners took part in the world’s oldest and largest ultramarathon earlier this month, a nearly 55-mile (89 kilometers) race between the South African cities of Durban and Pietermaritzburg.

— Paige Bruton, semafor.com, 22 June 2026
The woman who keeps beating men in ultramarathons runs on mashed potatoes.

— Greg Rosenstein, NBC news, 18 May 2026

Definition of ultramarathon

Adjective

Last year, the company posted a lengthy apology for a series of violent and antisemitic posts from Grok, placing the blame on a system update.

— Ramishah Maruf, CNN Money, 16 July 2026
After a lengthy discussion about the effectiveness of the TADs and their potential burden on Fulton’s tax base, commissioners voted 4-1 not to take part.

— Shaddi Abusaid, AJC.com, 16 July 2026

Definition of lengthy

Noun

But nothing about the case – other than speculation about race – is particularly unusual, CNN law enforcement analyst Charles Ramsey said.

— Holly Yan, CNN Money, 11 July 2026
The stablecoin race has been heating up after Washington nearly a year ago brought greater regulatory clarity to digital assets with the GENIUS Act, which established a federal framework for payment stablecoins.

— Tanaya Macheel, CNBC, 10 July 2026

Definition of race

Noun

As recently as 2013, the Paris triathlon had to be canceled outright because the water quality was too dangerous for athletes.

— Camille Knight, CNN Money, 4 July 2026
There are many different ways to take active vacations including niches such as white water rafting, surfing schools, yoga retreats, and triathlon training camps.

— Larry Olmsted, Forbes.com, 29 June 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

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
In the opening day of the MIAA outdoor track and field Meet of Champions, Walpole’s Sawyer Regan won the boys pentathlon, while Westboro’s Al Regnier won the girls pentathlon.

— Brian Roach, Boston Herald, 5 June 2026

Definition of pentathlon

Noun

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
Josefowicz, in her decathlon of a performance, brought Ligeti’s savage discontinuities to the surface.

— Alex Ross, New Yorker, 29 June 2026

Definition of decathlon

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“Marathon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/marathon. Accessed 18 Jul. 2026.

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Synonyms of marathon

adjective

noun

Example Sentences

Browse Nearby Words

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