high-security

adjective

: carefully locked, protected, or guarded
a high-security prison/facility

Examples of high-security in a Sentence

Recent Examples on the Web
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.
Mythos has already found thousands of high-security vulnerabilities, some of which date back more than two decades, according to Anthropic. Miranda Nazzaro, The Hill, 14 Apr. 2026 The World Cup is a high-security event and we're told authorities have to check tickets to keep the public safe. Christine Sloan, CBS News, 7 Apr. 2026 The reserve, which can reach as many as 714 million barrels, is stored in large, high-security underground salt caverns along the gulf coastlines of Louisiana and Texas. Max Zahn, ABC News, 16 Mar. 2026 The high-security facility holds many of the Islamic Republic’s political prisoners and has been the target of past Israeli bombardment. Philip Marcelo, Chicago Tribune, 7 Mar. 2026 See All Example Sentences for high-security

Browse Nearby Words

Cite this Entry

“High-security.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-security. Accessed 1 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster