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

Synonyms & Similar Words
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 Harry had appealed a decision from British authorities to remove his security protection but ultimately lost in court following a lengthy legal battle. — Claire Carter, The Washington Examiner, 10 July 2026 The new security project comes as work was already being done to the front face of the White House. — Michelle Stoddart, ABC News, 10 July 2026 As described in this November 2025 article, the co-defendants were Texas resident Kevin Martin, a ransomware negotiator for DigitalMint, and Georgia resident Ryan Goldberg, an incident manager at security firm Sygnia. — Jon Brodkin, ArsTechnica, 10 July 2026 Butlers, once portrayed as buttoned-up, silver tray-carrying domestics, now manage complex staff, technology, security and logistics across multiple properties. — Robert Frank, CNBC, 10 July 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
  • Every child deserves security, dignity, and a community that stands fiercely in their defense.
    — S.E. Jenkins, CBS News, 14 July 2026
  • It is expected to back new air-defense commitments for Ukraine, which is still suffering under Russian attacks even as battlefield momentum shifts in Kyiv’s favor.
    — Tom Chivers, semafor.com, 13 July 2026
Definition of defense
Noun
  • The agency provides a range of financing tools, including loans, equity investment, political risk insurance, loan guarantees and project development funding.
    — Jacqueline Charles, Miami Herald, 13 July 2026
  • Having an American spouse was hardly a guarantee of financial solvency, a landlord told her, because couples separated by deportation frequently got divorced.
    — Jonathan Blitzer, New Yorker, 13 July 2026
Definition of guarantee
Noun
  • To summarize, physical AI governance is an extension of operational and safety governance, and the boards best positioned are ones that import high-reliability-organization oversight practices rather than scaling up their AI ethics frameworks.
    — Anjana Susarla, Forbes.com, 9 July 2026
  • Lainez said the city would have had to make cuts to senior programs, public safety services and capital improvement projects.
    — Los Angeles Times, Los Angeles Times, 9 July 2026
Definition of safety
Noun
  • That victory led, four years later, to the Coastal Act and creation of the Coastal Commission, whose job was to balance sensible development, habitat protection and conservation, and equitable public access.
    — Steve Lopez, Los Angeles Times, 11 July 2026
  • The lightweight formula is 95% naturally derived, blending vitamin E with antioxidant-rich apricot for hydration and free-radical protection.
    — Deanna Pai, Vogue, 10 July 2026
Definition of protection
Noun
  • The goal of the aid pledges is to persuade middle-class families that a prestigious private university can be affordable.
    — Daniel de Visé, USA Today, 8 July 2026
  • Macron’s landmark visit, the first by a major Western leader since Bashar Assad’s ouster, brought pledges to restore ambassadors, ease sanctions and fund reconstruction from shattered utilities to Damascus airport cargo facilities.
    — Omar Albam, Los Angeles Times, 7 July 2026
Definition of pledge
Noun
  • State negotiators rejected the idea of allowing ranchers to use rubber bullets and other nonlethal ammunition because some can be confused for real bullets, Fisher said.
    — Sharon Bernstein, Sacbee.com, 11 July 2026
  • During the Revolutionary War, General Washington worried that British troops were stockpiling weapons and ammunition in the fort and preparing to attack northern colonies.
    — Lane Degregory, The Orlando Sentinel, 10 July 2026
Definition of ammunition
Noun
  • Anthropic has reported banning accounts and tightening filters after detecting attempts to use Claude for phishing emails, malicious code and safeguard bypasses.
    — Ron Schmelzer, Forbes.com, 10 July 2026
  • DigitalMint said Martino evaded the company’s internal safeguards that attempt to prevent fraud.
    — Jon Brodkin, ArsTechnica, 10 July 2026
Definition of safeguard
Noun
  • Once the shields are gone, players can lower its health to defeat it.
    — Gieson Cacho, Mercury News, 9 July 2026
  • Next is an incredible 30% clearance on the Sonos Ace Noise Cancelling headphones, a plush acoustic shield engineered to neutralize household background racket.
    — Juhi Wadia, PC Magazine, 8 July 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 14 Jul. 2026.

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More from Merriam-Webster on security

Nglish: Translation of security for Spanish Speakers

Britannica.com: Encyclopedia article about security

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