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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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Paul, who chairs the Senate Committee on Homeland Security and Governmental Affairs, had subpoenaed the now-retired Fauci to testify, and prior to the hearing released thousands of pages of the immunologist's unredacted personal diary.

From Barron's Jul. 29, 2026

Postal Service and the Department of Homeland Security had not issued final specific plans to comply with Trump’s directive.

From Los Angeles Times Jul. 27, 2026

More than 40 Kenyans have been arrested by ICE, according to the US Department of Homeland Security website.

From BBC Jul. 27, 2026

The bill would let the Homeland Security Department order emergency actions, with noncompliance penalties of up to $20 million per day.

From The Wall Street Journal Jul. 23, 2026

They were working undercover for the Department of Homeland Security.

From "The Book of Unknown Americans" by Cristina Henríquez

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

The U.S. restructured the federal government and pumped hundreds of billions of dollars into homeland security.

From The Wall Street Journal Jul. 4, 2026

“State recommendation for Haiti TPS has not come in despite of many outreach,” a homeland security deputy assistant secretary wrote in a June 2, 2025, email.

From Los Angeles Times Jun. 25, 2026

On Thursday evening, Trump said he was going to sign an order instructing the newly confirmed secretary of homeland security, Markwayne Mullin, to pay TSA agents.

From MarketWatch Mar. 27, 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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