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
With the Innovative Accessories Challenge, Istituto Marangoni Firenze positions accessories as a key arena for future-facing design, offering emerging creatives a concrete opportunity to translate experimentation into professional growth.
—
Fairchild Studio, Footwear News, 15 Jan. 2026
Grohl screamed, screeched and ran all around the stage, the guitars filled the arena with feedback noises, and the band hosted a temple of rock worship.
—Ethan Millman, HollywoodReporter, 15 Jan. 2026
The new headline act is the space-age Co-op Live arena on the city’s eastern flank, which opened in May 2024 and is now officially Britain’s largest indoor venue.
—Jonathan Thompson, Travel + Leisure, 15 Jan. 2026
With City Hall’s future and Mavericks arena site still undecided, ambiguity about the new convention center’s exact location and construction timeline also casts uncertainty about whether Memorial Auditorium will be ready by the May start of the 2027 season.
—Brad Townsend, Dallas Morning News, 15 Jan. 2026
See All Example Sentences for arena
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Fairchild Studio, Footwear News, 15 Jan. 2026
Grohl screamed, screeched and ran all around the stage, the guitars filled the arena with feedback noises, and the band hosted a temple of rock worship.
—Ethan Millman, HollywoodReporter, 15 Jan. 2026
The new headline act is the space-age Co-op Live arena on the city’s eastern flank, which opened in May 2024 and is now officially Britain’s largest indoor venue.
—Jonathan Thompson, Travel + Leisure, 15 Jan. 2026
With City Hall’s future and Mavericks arena site still undecided, ambiguity about the new convention center’s exact location and construction timeline also casts uncertainty about whether Memorial Auditorium will be ready by the May start of the 2027 season.
—Brad Townsend, Dallas Morning News, 15 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 17 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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