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
While Thursday’s event was billed as a surprise, the hundreds of Little Monsters who arrived dressed for a Gaga arena show clearly got the memo.
—
Maxwell Adler, Vanity Fair, 15 May 2026
In the season opener in Indiana, as the Fever took on the Dallas Wings, the arena was obviously sold out with 16,000+ in attendance.
—Jon Root Outkick, FOXNews.com, 15 May 2026
Ironically, the massive Midway Rising redevelopment project planned for the sports arena and surrounding properties benefited in a similar way, though the politics were reversed, with city officials supporting the project.
—Michael Smolens, San Diego Union-Tribune, 15 May 2026
For many online shoppers, delivery speed is the name of the game, and Amazon keeps making advancements in that arena.
—Paulina Likos, CNBC, 15 May 2026
See All Example Sentences for arena
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Maxwell Adler, Vanity Fair, 15 May 2026
In the season opener in Indiana, as the Fever took on the Dallas Wings, the arena was obviously sold out with 16,000+ in attendance.
—Jon Root Outkick, FOXNews.com, 15 May 2026
Ironically, the massive Midway Rising redevelopment project planned for the sports arena and surrounding properties benefited in a similar way, though the politics were reversed, with city officials supporting the project.
—Michael Smolens, San Diego Union-Tribune, 15 May 2026
For many online shoppers, delivery speed is the name of the game, and Amazon keeps making advancements in that arena.
—Paulina Likos, CNBC, 15 May 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 16 May. 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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