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security

noun

si-ˈkyu̇r-ə-tē How to pronounce security (audio)
Definition of securitynext
1
as in defense
means or method of defending measures taken to beef up our national security

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Antonyms & Near Antonyms
2
as in guarantee
something given or held to assure that the giver will keep a promise their house will serve as security for the loan

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3
as in safety
the state of not being exposed to danger after the burglaries, police presence in the neighborhood was enhanced to give residents a stronger sense of security

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of security The letters reference stories published by the outlets that purportedly threatened national security. — Dan Mangan, CNBC, 23 Sep. 2026 The trademark security agreement, a copy of which was obtained via the USPTO database, was signed by on behalf of PWHL Holdings by Richard Moore, who is an executive vice president at TWG Global. — Justin Birnbaum, Sportico.com, 23 Sep. 2026 In this sense, satellites are evolving from primarily scientific and commercial tools for the UAE into critical components of its national infrastructure and security architecture. — Melissa Hancock, Fortune, 23 Sep. 2026 What’s more, the Tuesday notices to the networks didn’t just argue that the ban was due to national security. — Ted Johnson, Deadline, 23 Sep. 2026 See All Example Sentences for security
Recent Examples of Synonyms for security
  1. defense
  2. guarantee
  3. safety
  4. protection
  5. pledge
  6. ammunition
  7. safeguard
  8. shield
Noun
  • The Pentagon would be relying on authorities provided by the Defense Production Act and annual defense legislation from 2017, Paoletta continued, as well as Article II of the Constitution.
    — Eleanor Mueller, semafor.com, 21 Sep. 2026
  • Metze had taught at Texas Tech for nearly two decades and served as the director of the criminal-defense clinic.
    — Benjamin Wofford, New Yorker, 21 Sep. 2026
Definition of defense
Noun
  • The two sides spent the weekend in tense discussions over Paramount’s commitments to remain in California and over guarantees for its production levels.
    — Gene Maddaus, Variety, 21 Sep. 2026
  • Federal laws such as Title IX guarantee support services as part of the intent of the law is to make sure all students have equal access to their education.
    — Susan Daria Landino, Hartford Courant, 20 Sep. 2026
Definition of guarantee
Noun
  • Although the aircraft performed every phase of flight autonomously, from taxiing and takeoff to cruise and landing, FAA regulations required a qualified safety pilot to be on board.
    — New Atlas, New Atlas, 21 Sep. 2026
  • Forbes named the HigherDOSE Infrared Sauna Blanket its best overall pick, citing safety certifications and a spa-like experience.
    — Samantha Agate, Kansas City Star, 21 Sep. 2026
Definition of safety
Noun
  • Board members increased that protection to nine months in 2024, adding reimbursement for medical insurance coverage for Hill and her eligible dependents.
    — Nora O'Neill, Charlotte Observer, 23 Sep. 2026
  • The pollster and the newspaper described the lawsuit as a conspiracy theory and an affront to free speech protections.
    — Hannah Fingerhut, Los Angeles Times, 23 Sep. 2026
Definition of protection
Noun
  • The discussions have also included output — including Ellison’s longstanding pledge to produce at least 30 films a year, according to two sources familiar with the talks.
    — Gene Maddaus, Variety, 20 Sep. 2026
  • Bonta has said that Ellison’s pledge for the two studios to release 30 films a year wasn’t enough to end the legal wrangling because prosecutors often are powerless to enforce conditions after a deal closes.
    — Meg James, Los Angeles Times, 19 Sep. 2026
Definition of pledge
Noun
  • The files show that the informant continued reporting to his intelligence handler while allegedly failing to disclose the full extent of his own involvement in obtaining ammunition for the group.
    — Benjamin Weinthal, FOXNews.com, 20 Sep. 2026
  • China Arms, which also covered the event, described crews handling ammunition inside the turret and tanks firing while stationary and moving, including shots to the side and rear.
    — Maria Mocerino, Interesting Engineering, 20 Sep. 2026
Definition of ammunition
Noun
  • Earlier this month the United Nations nuclear watchdog agency asked the body to hold Iran accountable for failing to stick with safeguards meant to prevent the development of nuclear weapons, according to diplomatic officials.
    — Adrienne Vogt, CNN Money, 23 Sep. 2026
  • Recent incidents involving models that bypassed safeguards or behaved deceptively have added urgency to the safety debate.
    — Aamir Khollam, Interesting Engineering, 23 Sep. 2026
Definition of safeguard
Noun
  • Some demonstrators cursed at police officers holding riot shields, while others yelled out as passing cars honked in support of the protest.
    — Arkansas Online, Arkansas Online, 21 Sep. 2026
  • There are also three shields on the top deck, high up where everyone can stare accusatorily at whoever is brazen enough to grab one.
    — Alice Burton, Vulture, 18 Sep. 2026
Definition of shield

Browse Nearby Words

securities
security
security blanket
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Cite this Entry

“Security.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/security. Accessed 24 Sep. 2026.

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More from Merriam-Webster on security

Britannica.com: Encyclopedia article about security

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