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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The State Department and Department of Homeland Security are reviewing all B-1 business and B-2 tourism visas, he said.

From The Wall Street Journal Aug. 25, 2026

The newly proposed fee for H-1B visas, according to a filing by the Department of Homeland Security.

From The Wall Street Journal Aug. 24, 2026

A Homeland Security spokesperson previously told The Times that it’s crucial for ICE to own detention centers on the West Coast so the agency can maintain the detention capacity it needs.

From Los Angeles Times Aug. 22, 2026

It directed Homeland Security to create a national list of all U.S. citizens over the age of 18 who would be eligible to vote, and then that list would be sent to all 50 states.

From Slate Aug. 20, 2026

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

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

US President Donald Trump later replaced Kristi Noem as homeland security with Markwayne Mullin, a senator from Oklahoma.

From BBC Jul. 14, 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

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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