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
What’s impressive is that Lowe’s operates in a complex retail arena.
—
Mark Faithfull, Forbes.com, 22 Jan. 2026
Eventually, my exasperated mom found us and marched us to the big arena, on the other side of Interstate 70, to witness the big show.
—The Know, Denver Post, 22 Jan. 2026
The arena renovation, largely completed in October, focused on the lower half of arena, adding premium seating such as bunker suites, loge boxes and club amenities.
—Kenneth R. Gosselin, Hartford Courant, 22 Jan. 2026
In the last year, Minnesota has upgraded its in-arena lighting system, made a financial commitment to Kevin Garnett to bring the legend back into the organizational fold, as well as sporting a roster that’s over the salary cap.
—Jace Frederick, Twin Cities, 22 Jan. 2026
See All Example Sentences for arena
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Mark Faithfull, Forbes.com, 22 Jan. 2026
Eventually, my exasperated mom found us and marched us to the big arena, on the other side of Interstate 70, to witness the big show.
—The Know, Denver Post, 22 Jan. 2026
The arena renovation, largely completed in October, focused on the lower half of arena, adding premium seating such as bunker suites, loge boxes and club amenities.
—Kenneth R. Gosselin, Hartford Courant, 22 Jan. 2026
In the last year, Minnesota has upgraded its in-arena lighting system, made a financial commitment to Kevin Garnett to bring the legend back into the organizational fold, as well as sporting a roster that’s over the salary cap.
—Jace Frederick, Twin Cities, 22 Jan. 2026
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 Jan. 2026.
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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