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
In the backdrop, a group of developers — the African American Sports and Entertainment Group, doing business as the Oakland Acquisition Company — is in the midst of due diligence for a $250 million purchase of the 112-acre property, including the stadium, arena and parking lots surrounding them.
—
Shomik Mukherjee, Mercury News, 20 Sep. 2025
Guests who fail to comply with the Code of Conduct may be ejected from the arena without a ticket refund.
—Ed Masley, AZCentral.com, 20 Sep. 2025
The Latin musician kicked off his residency back on July 11 at the island's largest indoor arena.
—Anthony Robledo, USA Today, 20 Sep. 2025
These small-scale outfit changes, paired with an intricate and precise lighting design that, at times, bathed the arena in blue light, seemed to reveal Lorde’s desire to bare everything, to be so transparent as to be see through.
—Rachel Seo, Variety, 20 Sep. 2025
See All Example Sentences for arena
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Shomik Mukherjee, Mercury News, 20 Sep. 2025
Guests who fail to comply with the Code of Conduct may be ejected from the arena without a ticket refund.
—Ed Masley, AZCentral.com, 20 Sep. 2025
The Latin musician kicked off his residency back on July 11 at the island's largest indoor arena.
—Anthony Robledo, USA Today, 20 Sep. 2025
These small-scale outfit changes, paired with an intricate and precise lighting design that, at times, bathed the arena in blue light, seemed to reveal Lorde’s desire to bare everything, to be so transparent as to be see through.
—Rachel Seo, Variety, 20 Sep. 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 22 Sep. 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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