: a fortified place : stronghold
especially
: a large and permanent fortification sometimes including a town
Examples of fortress in a Sentence
the boys built a snow fortress and then challenged the neighborhood kids to an in-your-face snowball fight
Recent Examples on the Web
This means turning Ukraine into a defensive fortress with German arms and money.
—
David McWilliams, Time, 9 Apr. 2025
But the Romans eventually built up Vindobona into a full-scale military fortress—and perhaps this first-century battle was the catalyst.
—Sarah Kuta, Smithsonian Magazine, 8 Apr. 2025
Born in Grenada to an enslaved mother and fluent in English, Christophe is perhaps best known as the architect of the famous Citadelle Henry, the mountaintop fortress completed in 1813 to guard against another French occupation.
—Jacqueline Charles, Miami Herald, 20 Mar. 2025
Marshaling a dozen increasingly precious armored vehicles, the Russians attacked toward the fortress city of Pokrovsk in eastern Ukraine.
—David Axe, Forbes.com, 30 Mar. 2025
See All Example Sentences for fortress
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David McWilliams, Time, 9 Apr. 2025
But the Romans eventually built up Vindobona into a full-scale military fortress—and perhaps this first-century battle was the catalyst.
—Sarah Kuta, Smithsonian Magazine, 8 Apr. 2025
Born in Grenada to an enslaved mother and fluent in English, Christophe is perhaps best known as the architect of the famous Citadelle Henry, the mountaintop fortress completed in 1813 to guard against another French occupation.
—Jacqueline Charles, Miami Herald, 20 Mar. 2025
Marshaling a dozen increasingly precious armored vehicles, the Russians attacked toward the fortress city of Pokrovsk in eastern Ukraine.
—David Axe, Forbes.com, 30 Mar. 2025
See All Example Sentences for fortress
Cite this Entry
“Fortress.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fortress. Accessed 22 Apr. 2025.
Copy CitationKids Definition
fortress
noun
for·tress
ˈfȯr-trəs 
: a fortified place
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