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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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

homeland security 2 British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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As a former assistant secretary for public affairs at the Department of Homeland Security, McLaughlin was known for ferociously defending the Trump administration's immigration policies on US airwaves.

From BBC Aug. 13, 2026

Two months later, Markwayne Mullin replaced Kristi Noem as secretary of the Department of Homeland Security.

From Salon Aug. 12, 2026

Video footage also showed Homeland Security officers on the scene.

From Los Angeles Times Aug. 11, 2026

And Section 5 of the order allows the secretary of state and Homeland Security to grant any exemptions they want to parents who might otherwise fall within the order’s orbit.

From Slate Aug. 11, 2026

Would it not behoove the Department of Homeland Security to add a name to their roster of dangerous individuals?

From "Zeitoun" by Dave Eggers

In December 2024, he named Anthony Salisbury, a 50-year-old career agent who’d run the agency’s Miami office, as a deputy homeland security adviser, reporting to White House policy chief Stephen Miller.

From Salon Aug. 15, 2026

The second order, meanwhile, seeks to end the practice of birth tourism by directing the departments of state and homeland security to enhance regulations and expand enforcement against the practice.

From BBC Aug. 7, 2026

In the US capital, the department of homeland security and emergency management said air quality was "unhealthy for at-risk groups" including children and the elderly, urging people to limit time outdoors.

From Barron's Jul. 18, 2026

On immigration, we learn that Stephen Miller, the White House deputy chief of staff for policy, was perpetually unhappy with Kristi Noem, the former secretary of homeland security.

From The Wall Street Journal Jun. 26, 2026

John Ashcroft, our homeland security hombre with the heavy brow and the oh-so-serious, tuned-into-all-things-terrorist face, actually offered America a steady, if guarded, smile.

From "Anthem of a Reluctant Prophet" by Joanne Proulx

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