as in vulnerable
lacking protection from danger or resistance against attack
the cowardly soldiers fled, leaving the palace undefended
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Example Sentences
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Recent Examples of undefended
Ukraine says that would amount to surrender and leave it undefended if Moscow attacks again.
—
USA Today, 22 Apr. 2025
For more than a century, the U.S. and Canada built a close, prosperous partnership—standing together in war, mutually fueling their economies through trade, and maintaining the world's longest undefended border.
—Faisal Kutty, Newsweek, 10 Mar. 2025
Trump’s aggressive tariffs may undermine another of his objectives — countering the dangers posed by a (largely) undefended Greenland, an autonomous Danish territory, at a time when China and Russia are taking an increasing interest in the Arctic.
—The Editors, National Review, 7 Mar. 2025
Zelensky said Kursk was a major strategy in the war effort, with the aim being to divert Russian troops from the main fighting in eastern Ukraine while also taking prisoners, destroying Russia’s military assets and proving Moscow was undefended.
—Brad Dress, The Hill, 5 Jan. 2025
See All Example Sentences for undefended
USA Today, 22 Apr. 2025
For more than a century, the U.S. and Canada built a close, prosperous partnership—standing together in war, mutually fueling their economies through trade, and maintaining the world's longest undefended border.
—Faisal Kutty, Newsweek, 10 Mar. 2025
Trump’s aggressive tariffs may undermine another of his objectives — countering the dangers posed by a (largely) undefended Greenland, an autonomous Danish territory, at a time when China and Russia are taking an increasing interest in the Arctic.
—The Editors, National Review, 7 Mar. 2025
Zelensky said Kursk was a major strategy in the war effort, with the aim being to divert Russian troops from the main fighting in eastern Ukraine while also taking prisoners, destroying Russia’s military assets and proving Moscow was undefended.
—Brad Dress, The Hill, 5 Jan. 2025
See All Example Sentences for undefended
Recent Examples of Synonyms for undefended
Adjective
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Last month, the Food and Drug Administration granted approval for COVID-19 vaccine doses for people over age 65, who are most vulnerable to severe infections.—
Jenny Goldsberry,
The Washington Examiner,
8 Sep. 2025
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Recent studies have shown entry-level positions especially vulnerable to automation are being scaled back thanks to AI.—
Marco Quiroz-Gutierrez,
Fortune,
8 Sep. 2025
Adjective
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And wasn’t the world hard enough, without having to care for helpless children too?—
Literary Hub,
Literary Hub,
11 Sep. 2025
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In the midst of feeling helpless, Kate said an idea took shape to commemorate the victims.—
Matthew Adams,
Fort Worth Star-Telegram,
8 Sep. 2025
Adjective
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The largest member of the grass family, bamboo is combustible, susceptible to deterioration and weaker in rain, raising legitimate questions about its durability, Arup’s Ho said.—
Karina Tsui,
CNN Money,
10 Sep. 2025
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Those are straightforward power rushes designed to contain mobile quarterbacks rather than spamming exotic pressure looks that could leave the defensive line susceptible to holes.—
Matt Schneidman,
New York Times,
10 Sep. 2025
Adjective
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The growing costs to buy and maintain a car –exacerbated by inflation and tariffs –are leading to rising auto loan defaults and repossessions and a potential crisis for American consumers left unprotected by the federal government, according to a new report by a consumer advocacy organization.—
Betty Lin-Fisher,
USA Today,
11 Sep. 2025
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No little boy or girl should feel unsafe or unprotected while changing in school.—
Georgea Kovanis,
Freep.com,
4 Sep. 2025
Cite this Entry
“Undefended.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefended. Accessed 16 Sep. 2025.
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