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 In finance, that asset could be a stock, a bond or another security. — Federico Sendra, Forbes.com, 21 Aug. 2026 As for security, the Sussexes have been paying for their own for years now. — Culture Critic, Los Angeles Times, 21 Aug. 2026 The professional tail-wagger and lap warmer is the head of security at her home. — Saman Shafiq, USA Today, 21 Aug. 2026 Only Qualcomm’s most expensive 8-series processors are comparable from a security standpoint, and those only go in expensive flagship smartphones. — ArsTechnica, 21 Aug. 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 Broncos’ offensive line consistently won the line of scrimmage, clearing paths for Denver running backs to gash the Falcons’ defense.
    — Ken Sugiura, AJC.com, 18 Aug. 2026
  • No other position on a Denver defense loaded with talent and experience enters the season with more uncertainty about the pecking order than this one.
    — Nick Kosmider, New York Times, 18 Aug. 2026
Definition of defense
Noun
  • Past performance is no guarantee of future results, remember.
    — Frank Holmes, Forbes.com, 17 Aug. 2026
  • Adult usage is holding steady, and there’s no guarantee that young people will continue abstaining.
    — Jamie Hartmann-Boyce, The Conversation, 17 Aug. 2026
Definition of guarantee
Noun
  • Reasons for that include a lot of Vikings blitzes and two great plays by safety Jay Ward, a would-be interception ruled a sack and a sack on a blitz.
    — Ren Clayton, CBS News, 20 Aug. 2026
  • Tong’s office correctly notes that protecting children, preventing youth access, addressing synthetic cannabinoids, and ensuring product safety are legitimate public policy objectives deserving serious attention.
    — John R. Gordon, Hartford Courant, 19 Aug. 2026
Definition of safety
Noun
  • Nobody in their right mind would argue that Alphabet and Nvidia need laws to protect them from competition, but lots of otherwise intelligent people believe that banks, an even more profitable group of companies, do need such protection.
    — Omid Malekan, Fortune, 21 Aug. 2026
  • Friendship was also the protection built into Difficult People.
    — Seth Abramovitch, HollywoodReporter, 21 Aug. 2026
Definition of protection
Noun
  • The settlement plan also includes a pledge by the school to provide a statement to the claimant families condemning Lodge's criminal acts, and to detail improvements made to the organ donation program.
    — CBS News, CBS News, 19 Aug. 2026
  • Those pledges were made before the artificial intelligence boom, at a time when technology companies were under pressure from employees and outside activists to do more to cut their emissions.
    — Matt Day, Fortune, 18 Aug. 2026
Definition of pledge
Noun
  • Her mother, meanwhile, is backed up by her second husband (Kwon), a mild-mannered documentary filmmaker whose profession gives his wife yet more ammunition in her smiling disparagement of Sanghee.
    — Guy Lodge, Variety, 15 Aug. 2026
  • The ammunition matched the casing that Fort Worth police cadets found near the scene of the shooting, according to the affidavit.
    — Harriet Ramos, Fort Worth Star-Telegram, 14 Aug. 2026
Definition of ammunition
Noun
  • Last week, Flock Safety's CEO announced safeguards in response to misuse concerns around the country.
    — Tammy Mutasa, CBS News, 21 Aug. 2026
  • Independent researchers recently examined Roblox chat moderation and found examples of unsafe messages that made it through the platform's existing safeguards.
    — Kurt Knutsson, FOXNews.com, 21 Aug. 2026
Definition of safeguard
Noun
  • Musk has long identified the heat shield as the company’s most pressing unsolved problem with Starship.
    — Stephen Clark, ArsTechnica, 18 Aug. 2026
  • Alaïa’s leather Le Teckel bag is very much still en vogue, as are these face-framing shield sunglasses from Thistles.
    — Laura Jackson, Vogue, 17 Aug. 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 22 Aug. 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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