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

Synonyms & Similar Words

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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 But there is no independent evidence to confirm that a mine is what caused the Pride to sink, according to the maritime security firm Marisks. — Spencer Kimball, CNBC, 14 Oct. 2026 That bag had been left unattended in a printer room, the FBI said, where security personnel found it and discovered another Seeed device inside. — Ashley Belanger, ArsTechnica, 14 Oct. 2026 Peace through dialogue is the only path toward sustainable security, economic growth, and prosperity. — Paul Tilsley, FOXNews.com, 14 Oct. 2026 China’s space rise is already influencing broader international security dynamics. — Kathleen Curlee, Foreign Affairs, 14 Oct. 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
  • Denmark's defense intelligence service specifically warned Russia could use such tactics to split the NATO alliance.
    — Arkansas Online, Arkansas Online, 13 Oct. 2026
  • Against Henderson, the Dodgers took advantage of mistakes by the Brewers’ usually fundamentally sound defense to score four runs against him, only two of which were earned.
    — Maddie Lee, Los Angeles Times, 13 Oct. 2026
Definition of defense
Noun
  • Holding an election during the war would be unlawful and Ukraine would need security guarantees to allow for safe voting, Zelenskyy added.
    — Arkansas Online, Arkansas Online, 12 Oct. 2026
  • Zelensky added that holding a vote during the war would be unlawful and that Ukraine would need security guarantees to allow people to vote safely.
    — Susie Blann, Los Angeles Times, 11 Oct. 2026
Definition of guarantee
Noun
  • Tens of thousands of migrants from the Horn of Africa travel every year through Djibouti and across the Bab el-Mandeb Strait towards Gulf countries in search of safety and economic opportunities, the IOM said in its statement.
    — JAMEY KEATEN, Arkansas Online, 12 Oct. 2026
  • Automation is the source of the traffic-safety potential that the company touts.
    — Molly Fischer, New Yorker, 12 Oct. 2026
Definition of safety
Noun
  • Members sign up to a set of guidelines around victim protection, attend events and host seminars.
    — Max Goldbart, Deadline, 15 Oct. 2026
  • Instead, revenue protection mode—according to the DOJ—prioritized maintaining revenue by leasing fewer apartments at higher prices.
    — Literary Hub, Literary Hub, 14 Oct. 2026
Definition of protection
Noun
  • Cairo’s pledge also signals closer alignment with Riyadh, a major financial backer that has provided billions in aid and investment.
    — Lauren Morganbesser, semafor.com, 18 Oct. 2026
  • Audit reports, supplier codes of conduct and corporate sustainability pledges have made up the bulk of brands’ efforts to push a more ecological and socially aware agenda, but times have changed.
    — Kate Nishimura, Footwear News, 16 Oct. 2026
Definition of pledge
Noun
  • How did a live round get into the revolver and who brought the lethal ammunition to the set?
    — Matthew Carey, Deadline, 12 Oct. 2026
  • The principal and the teacher were hit with ammunition used in 12-gauge shotguns but their injuries weren't life threatening, police said.
    — ABC News, ABC News, 12 Oct. 2026
Definition of ammunition
Noun
  • But Howard club tennis players say safeguards should already be in place to prevent incidents like this.
    — Ashley Paul, CBS News, 14 Oct. 2026
  • The issue is reshaping the governor’s race, as Republican Joe Lombardo and Democrat Aaron Ford spar over development, tax breaks and safeguards for electricity bills and water supplies.
    — Jessica Hill, Los Angeles Times, 14 Oct. 2026
Definition of safeguard
Noun
  • Swarms of police officers descended from helicopters and beat them with billy clubs and metal shields.
    — E. Tammy Kim, New Yorker, 12 Oct. 2026
  • The jail has issued inmates Android tablets and Englert says some have turned the heat shields into blades.
    — Andy Sheehan, CBS News, 12 Oct. 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 19 Oct. 2026.

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Britannica.com: Encyclopedia article about security

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