col·​os·​se·​um | \ ˌkä-lə-ˈsē-əm How to pronounce colosseum (audio) \

Definition of colosseum

1 capitalized : an amphitheater built in Rome in the first century a.d.

Synonyms for colosseum


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Examples of colosseum in a Sentence

run 10 laps around the colosseum
Recent Examples on the Web For the exchange student, school is a maze, a confusing colosseum. Hurmat Kazmi, The Atlantic, 23 Nov. 2021 The colosseum Lego set, which will be available to buy on Nov. 27, or Black Friday, is part of the brand’s Creator Expert line, which is designed for builders over the age of 18 years old. Jonathan Bender, NBC News, 18 Nov. 2020 The Stadio San Paolo, Napoli's famed crumbling colosseum, erupted as Mertens headed home from Adrian's save, only to fall quiet after seeing the linesman's flag raised for an obvious offside. Matias Grez, CNN, 17 Sep. 2019 In the trailer for the Season Seven finale, Cersei, Daenerys, and Jon find a neutral spot to have their meeting—something like a rundown colosseum. Matt Miller, Esquire, 22 Aug. 2017 For Americans, a new people in a new country, the land gave us a history and heritage older than Europe’s cathedrals and colosseums. Brian T. Allen, National Review, 2 Sep. 2017 McGregor and Mayweather are gladiators, the arena their colosseum, Las Vegas their Rome. Christine Flammia, Esquire, 27 Aug. 2017 A bunch of half-sunken structures off the Italian coast might sound less impressive than a gladiatorial colosseum. The Washington Post,, 6 July 2017 The Episode 7 trailer teases a great meeting Dragonpit, a colosseum-style arena in King’s Landing, where Jon Snow and his crew come face-to-face with Cersei and hers. Erica Gonzales, Harper's BAZAAR, 23 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colosseum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of colosseum

1809, in the meaning defined at sense 1

History and Etymology for colosseum

Medieval Latin, from Latin, neuter of colosseus colossal, from colossus

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Time Traveler for colosseum

Time Traveler

The first known use of colosseum was in 1809

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Dictionary Entries Near colosseum

colossal squid



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Statistics for colosseum

Last Updated

8 Dec 2021

Cite this Entry

“Colosseum.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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English Language Learners Definition of colosseum

: an outdoor arena built in Rome in the first century A.D.
: a large stadium or building for sports or entertainment : coliseum

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