1
as in defense
means or method of defending
measures taken to beef up our national security
Synonyms & Similar Words
Relevance
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
Two San Francisco police officers assigned to the mayor's security detail were injured during an altercation with two men Thursday evening in the city's Tenderloin neighborhood, officials said.
—
Richard Ramos, CBS News, 6 Mar. 2026
These names are often picked for security purposes, strategy, morale and public perception.
—Alex Perry, Cincinnati Enquirer, 6 Mar. 2026
The suspects, who were taken into custody, were part of a group blocking Lurie and his security team's vehicle Thursday evening in the troubled Tenderloin neighborhood.
—ABC News, 6 Mar. 2026
Trump gave the military six months to phase out Claude, which is already widely embedded in military and national security platforms.
—Matt O'Brien, Fortune, 6 Mar. 2026
See All Example Sentences for security
Richard Ramos, CBS News, 6 Mar. 2026
These names are often picked for security purposes, strategy, morale and public perception.
—Alex Perry, Cincinnati Enquirer, 6 Mar. 2026
The suspects, who were taken into custody, were part of a group blocking Lurie and his security team's vehicle Thursday evening in the troubled Tenderloin neighborhood.
—ABC News, 6 Mar. 2026
Trump gave the military six months to phase out Claude, which is already widely embedded in military and national security platforms.
—Matt O'Brien, Fortune, 6 Mar. 2026
See All Example Sentences for security
Recent Examples of Synonyms for security
Noun
-
But those two additions should make the Panthers’ defense significantly better coming off an NFC South-winning campaign.—
Mike Kaye
Updated March 9,
Charlotte Observer,
10 Mar. 2026
-
Christopher Cann Turkey's Defense Ministry said Monday that NATO air defenses shot down a ballistic missile fired from Iran.—
Thao Nguyen,
USA Today,
10 Mar. 2026
Noun
-
Reinstate or redesign clean‑manufacturing incentives that pull forward orders, expand 48C credits to help decarbonize heavy industry, and use procurement guarantees in defense, grid hardware, and energy storage to anchor domestic volume.—
Paul S. Lavoie,
Hartford Courant,
11 Mar. 2026
-
Personal guarantees, past disputes, unforeseen litigation and even future business ventures can all circle back to newly liquid wealth.—
Ascend Agency,
New York Daily News,
11 Mar. 2026
Noun
-
Imaging, detection, and environmental monitoring tools The technology is particularly important for situational awareness in environments where human monitoring alone is insufficient due to scale, complexity, or safety risks.—
Prabhat Ranjan Mishra,
Interesting Engineering,
12 Mar. 2026
-
The Harvard Law analysis points out that the loose language of the bill could have other consequences, maybe even gutting some state safety, labeling and cleanliness standards.—
Los Angeles Times,
Los Angeles Times,
12 Mar. 2026
Noun
-
Meanwhile, Australia granted asylum to five members of the Iranian women's soccer team Monday, after demands from human rights organizations, soccer unions and Trump that they be given protection.—
Arkansas Online,
Arkansas Online,
10 Mar. 2026
-
The shift risks creating uneven protections, as state offices lack the federal power to threaten schools with funding cuts.—
Collin Binkley,
Los Angeles Times,
10 Mar. 2026
Noun
-
Beyond upgrading transitional industries, Beijing reaffirmed pledges to cultivate emerging and future sectors, including semiconductors, aerospace, biotechnology, quantum technology and embodied AI.—
John Liu,
CNN Money,
5 Mar. 2026
-
Seniors Sawyer Dotson, a Lipscomb pledge, and Avery Webb comprise a lethal 3-point shooting duo.—
Myah Taylor,
Dallas Morning News,
5 Mar. 2026
Noun
-
Noting some confusion over the like-for-like numbers this year, given recent changes to the business structure, the analysts said that weapon and ammunition growth will remain elevated, and there is scope for its naval business to be resilient, too.—
Elsa Ohlen,
CNBC,
11 Mar. 2026
-
Videos published by Islamic State West Africa Province showed massive weaponry and ammunition, as well as dozens of motorcycles and vehicles that the extremists said were captured during the raids.—
Arkansas Online,
Arkansas Online,
11 Mar. 2026
Noun
-
The group pummelled the bot with more than 1,000 prompts to bypass the safeguards and convince Claude they were allowed to test the system for vulnerabilities.—
Los Angeles Times,
Los Angeles Times,
5 Mar. 2026
-
The case is likely to intensify scrutiny over how large language models handle vulnerable users and whether current safeguards are sufficient.—
Neetika Walter,
Interesting Engineering,
5 Mar. 2026
Noun
-
The device could also be used to damp vibrations in aerospace vehicles, ships, and aircraft, and to provide a shield for sensitive military hardware and scientific instruments that are vulnerable to sudden shock.—
Mrigakshi Dixit,
Interesting Engineering,
5 Mar. 2026
-
Some oversized shield sunglasses, along with a handbag and stilettos adorned with Gucci's signature Horsebit hardware, topped off her edgy ensemble.—
Hannah Malach,
InStyle,
5 Mar. 2026
Cite this Entry
“Security.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/security. Accessed 12 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
