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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 They were both proven innocent by arena security, just like the fan from Game 2 Tuesday. — Jon Root Outkick, FOXNews.com, 30 Sep. 2026 There has been some drama with Dolly’s estate since her death, with longtime manager Danny Nozell firing her nephew, Bryan Seaver as head of security. — Lizzie Lanuza, StyleCaster, 30 Sep. 2026 Private security and school staff are understood to have spotted two young men carrying backpacks, later identified as international photographers, walking around the school and stopping to look into the grounds. — Max Foster, CNN Money, 30 Sep. 2026 In both countries, disaster response is straining the finances and capacity of new leaders who campaigned on security but must now contend with economic fragility. — Dan Restrepo, Foreign Affairs, 30 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
  • Russia's Defense Ministry said air defenses downed 254 Ukrainian drones overnight.
    — HANNA ARHIROVA, Arkansas Online, 29 Sep. 2026
  • With the 14th test flight of Starship, Elon Musk’s aerospace and defense company also plans to deploy 26 of its new Starlink V3 satellites.
    — Lora Kolodny, CNBC, 28 Sep. 2026
Definition of defense
Noun
  • The plant is expected to cost around $500 million and is being developed through a mix of equity and debt, with Circ also seeking grants and guarantees.
    — Rhonda Richford, Footwear News, 28 Sep. 2026
  • But models are also expected to get cheaper as AI becomes increasingly commodified, and there’s no guarantee that revenues will arrive precisely in time to meet pre-set payment schedules once the clock starts running.
    — Tobias Burns, CNBC, 28 Sep. 2026
Definition of guarantee
Noun
  • SpaceX launched its enormous Starship into orbit for the first time Monday and successfully delivered the most advanced Starlink satellites yet, but cut the flight short to ensure safety.
    — Arkansas Online, Arkansas Online, 29 Sep. 2026
  • Earlier this month, Cruz vociferously rejected the idea that artificial intelligence companies should be granted antitrust exemptions in order to collaborate on ways to implement industry-wide AI safety guardrails.
    — Daniel Libit, Sportico.com, 28 Sep. 2026
Definition of safety
Noun
  • Without fiefdoms structuring the distribution of land, the division of labor, and the provision of military protection, agents of state coercion were needed to ensure that former serfs would serve as wage laborers.
    — Sophie Landres, Artforum, 1 Oct. 2026
  • The nation's flood insurance program struggles to balance affordability, flood protection and cost to taxpayers, leaving millions vulnerable at a time when climate change is driving flood risk higher.
    — MICHAEL PHILLIS, Arkansas Online, 30 Sep. 2026
Definition of protection
Noun
  • Over the past few years, Dallas has been transformed into a hotbed for the financial services sector, with pledges for massive offices and headcounts coming from firms like Goldman Sachs, Morgan Stanley and JPMorgan Chase.
    — Ian Thomas, CNBC, 26 Sep. 2026
  • The statement said both sides will continue to work together on the pledge to reduce reciprocal tariffs on roughly $30 billion worth of goods.
    — ABC News, ABC News, 26 Sep. 2026
Definition of pledge
Noun
  • South Korea, the United States and others say North Korea has also supplied artillery, ammunition and missiles to Russia in return for economic and military assistance.
    — ABC News, ABC News, 28 Sep. 2026
  • Sanon is also accused obtaining an arsenal of weapons, ammunition and ballistic vests, culminating in the dead-of-night operation coordinated by his allies to storm Moïse’s private residence.
    — Jacqueline Charles, Miami Herald, 28 Sep. 2026
Definition of ammunition
Noun
  • As is common, there’s not nearly as much protection on iOS, mainly because the safeguards Apple imposes to defeat malware also defeat many malware-fighting techniques.
    — Neil J. Rubenking, PC Magazine, 30 Sep. 2026
  • From there, review the additional theft safeguards available on your Pixel.
    — Kurt Knutsson, FOXNews.com, 30 Sep. 2026
Definition of safeguard
Noun
  • What many people enjoying these beaches don't realize is that this iconic stretch of sand is also a critical line of defense—a massive engineering shield protecting our vital infrastructure.
    — Bryan Lynn, CBS News, 29 Sep. 2026
  • This celestial shield keeps harmful solar wind, cosmic rays and radiation at bay, preventing the atmosphere from being stripped away.
    — Jacopo Prisco, CNN Money, 29 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 1 Oct. 2026.

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More from Merriam-Webster on security

Britannica.com: Encyclopedia article about security

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