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• Homeland Security
  Homeland Security

  noun

  the United States Department of Homeland Security, the body responsible for dealing with terrorist threats on American soil
• homeland security
  homeland security

  noun

  precautions taken by the government of a specified country against terrorist attacks

Homeland Security

¹ British  

noun

1. the United States Department of Homeland Security, the body responsible for dealing with terrorist threats on American soil

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homeland security ² British  

noun

1. precautions taken by the government of a specified country against terrorist attacks

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Example Sentences

The Department of Homeland Security, which comprises ICE, said on X it was confident it would be "vindicated in this case."

From Barron's • May 19, 2026

A few weeks ago, she filed a federal tort claim against the Department of Homeland Security.

From Slate • May 19, 2026

“Immediately after we recognized this was a human smuggling situation, we contacted our partners through Homeland Security Investigations and our partners in border patrol,” Rodriguez said.

From Los Angeles Times • May 16, 2026

Let’s also not forget that detention centers run by the Department of Homeland Security are cesspools for medical neglect and disease, including measles, mumps and hepatitis A outbreaks.

From Salon • May 11, 2026

Kathy told him about the calls from the missionary and the Homeland Security officials, how they had seen him at Hunt.

From "Zeitoun" by Dave Eggers