1
: an area in a Roman amphitheater for gladiatorial combats
2
a
: an enclosed area used for public entertainment
b
: a building containing an arena
3
a
: a sphere of interest, activity, or competition
the political arena
b
: a place or situation for controversy
in the public arena
Examples of arena in a Sentence
Congress became an arena of opposing views.
the toughest political arena in the world
The economic arena has been dominated by that country.
Recent Examples on the Web
Lenders are financing discrete pieces of the ecosystem rather than entire teams—broadcast receivables, naming rights, arena redevelopment or ancillary real estate.
—
Joseph Glatt, Sportico.com, 21 Nov. 2025
India had been gauging interest from potential foreign buyers at the week-long airshow, a major arena for global arms and airliner markets and well-known for bold displays making use of wide vistas of airspace.
—Shivam Patel, USA Today, 21 Nov. 2025
The arena was packed with hundreds of fans (with millions watching the YouTube stream), all screaming their favorite competitor’s name, egging them on to solve the creative puzzle — known as a case — broadcast on the big screen.
—Shikhar Sachdev, HubSpot, 21 Nov. 2025
Monica welcomed Max to the stage with a warm embrace, and the Harlem native shook up the shocked arena crowd.
—Michael Saponara, Billboard, 21 Nov. 2025
See All Example Sentences for arena
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Joseph Glatt, Sportico.com, 21 Nov. 2025
India had been gauging interest from potential foreign buyers at the week-long airshow, a major arena for global arms and airliner markets and well-known for bold displays making use of wide vistas of airspace.
—Shivam Patel, USA Today, 21 Nov. 2025
The arena was packed with hundreds of fans (with millions watching the YouTube stream), all screaming their favorite competitor’s name, egging them on to solve the creative puzzle — known as a case — broadcast on the big screen.
—Shikhar Sachdev, HubSpot, 21 Nov. 2025
Monica welcomed Max to the stage with a warm embrace, and the Harlem native shook up the shocked arena crowd.
—Michael Saponara, Billboard, 21 Nov. 2025
See All Example Sentences for arena
Cite this Entry
“Arena.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arena. Accessed 25 Nov. 2025.
Copy CitationKids Definition
arena
noun
are·na
ə-ˈrē-nə 
1
: an enclosed area used for public entertainment
2
: a building containing an arena
3
: a field of activity
the political arena
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