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
Tens of thousands of fans spontaneously celebrated in the streets around the Emirates Stadium, despite no game even being played at the arena.
—
Ben Church, CNN Money, 30 May 2026
The majority of the 18,064 who sell out the arena are there to cheer for their Valkyries, no matter how much star power the other side has.
—Joseph Dycus, Mercury News, 29 May 2026
But the highest-visibility arena for this rivalry is the moon; SpaceX and Blue Origin are both on deck to provide critical support for NASA’s Artemis program to return astronauts to the lunar surface and build a moon base.
—Lee Billings, Scientific American, 29 May 2026
Before the ceremony began Thursday, Ricardo joined his mother and brother in their Sunday best outside the arena.
—Gregory Royal Pratt, Chicago Tribune, 29 May 2026
See All Example Sentences for arena
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Ben Church, CNN Money, 30 May 2026
The majority of the 18,064 who sell out the arena are there to cheer for their Valkyries, no matter how much star power the other side has.
—Joseph Dycus, Mercury News, 29 May 2026
But the highest-visibility arena for this rivalry is the moon; SpaceX and Blue Origin are both on deck to provide critical support for NASA’s Artemis program to return astronauts to the lunar surface and build a moon base.
—Lee Billings, Scientific American, 29 May 2026
Before the ceremony began Thursday, Ricardo joined his mother and brother in their Sunday best outside the arena.
—Gregory Royal Pratt, Chicago Tribune, 29 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 3 Jun. 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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