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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

A Department of Homeland Security spokesperson told The Times that every immigrant ordered removed has received full due process.

From Los Angeles Times • Jul. 1, 2026

In one of the last decision days of the season, the Supreme Court ruled 6-3 in favor of the Department of Homeland Security in Mullin v.

From Salon • Jun. 27, 2026

The surge in Department of Homeland Security agents also led to a 1.9% decline in hours worked and a 1.7% decline in businesses in operation during that period.

From Barron's • Jun. 25, 2026

Lauren Bis, a spokeswoman for the Department of Homeland Security, called the sentences “a win for the rule of law.”

From The Wall Street Journal • Jun. 23, 2026

A man introduced himself as belonging to the Department of Homeland Security.

From "Zeitoun" by Dave Eggers