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

Synonyms & Similar Words

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 Tyson said investigators are interviewing witnesses, reviewing security footage and coordinating with the Anson County Sheriff’s Office, which responded to the office Tuesday after a confrontation between Helms and others. — Nora O'Neill, Charlotte Observer, 25 July 2026 News of Melania’s absence comes after worries about security have escalated amid the conflict with Iran. — Stylecaster Editors, StyleCaster, 24 July 2026 Informal workers, who make up nearly 90 percent of India’s workforce, generally lack job security and often don’t have decent housing, IIED noted. — Jasmin Malik Chua, Footwear News, 24 July 2026 The military said the Palestinian man took the weapon from a security officer from the nearby Havat Gilad settlement. — Abeer Salman, CNN Money, 24 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
  • The admission was astonishing after his defense team had spent years diligently defending him against the charges.
    — Emily Smith, CNN Money, 28 July 2026
  • The Rangers’ defense only allowed one more run after the third inning.
    — Cal Phillips Updated July 27, Fort Worth Star-Telegram, 28 July 2026
Definition of defense
Noun
  • The guarantee would cover the lease and construction debt, not the Nvidia chips inside, which the two companies are discussing separately, the person said.
    — Ashley Capoot,Kate Rooney, CNBC, 27 July 2026
  • Though it’s long been considered a safe path to a high-paying role, an engineering degree is no longer a guarantee in today’s difficult job market.
    — Danielle Chemtob, Forbes.com, 27 July 2026
Definition of guarantee
Noun
  • Launch safety, orbital debris, broadband access, AI model conduct, content moderation, data use and energy consumption belong to different industry materiality maps.
    — Shivaram Rajgopal, Forbes.com, 23 July 2026
  • On Wednesday, University of Miami researchers decided to move some of their most important old-stock Elkhorn corals from their three nurseries offshore of Virginia Key and bring them to the safety of their onshore aquariums.
    — Alex Harris July 23, Miami Herald, 23 July 2026
Definition of safety
Noun
  • At the time, Abarca’s wife was granted an order of protection, which Abarca was charged with violating in 2025.
    — Ilana Arougheti, Kansas City Star, 25 July 2026
  • The allegation was just part of a drumbeat of US criticism over the cartels’ political protection rackets.
    — Mary Beth Sheridan, CNN Money, 25 July 2026
Definition of protection
Noun
  • Burnham made a small down payment on that pledge by announcing a tax cut on energy bills that will save the average household about 45 pounds ($60) a year.
    — ABC News, ABC News, 21 July 2026
  • As of this writing, only eight other members of Congress have signed the pledge.
    — James Kirchick, The Atlantic, 21 July 2026
Definition of pledge
Noun
  • But are these findings evidence that remote work purists have been right all along or ammunition for the return-to-office crowd?
    — Kristin Stoller, Fortune, 27 July 2026
  • In her latest deployment to Kuwait, she was assigned to the 103rd Sustainment Command, which provides food, fuel, water, ammunition, transport equipment and other supplies.
    — Chris Kenning, USA Today, 26 July 2026
Definition of ammunition
Noun
  • Landing on the list does require some safeguards, such as confirming where ingredients come from and testing them for contamination.
    — ABC News, ABC News, 24 July 2026
  • County officials are now implementing safeguards around that decades-old arrangement because of the district’s financial crisis.
    — Chaewon Chung July 24, Sacbee.com, 24 July 2026
Definition of safeguard
Noun
  • However, with Messi's impending retirement, this protective shield is gone.
    — Shann Biglione, Forbes.com, 23 July 2026
  • The tough andesite provides a 5,275-foot shield for these tunnels, offering extra security.
    — Stephanie Pappas, Scientific American, 23 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 28 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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