line of defense

noun phrase

: a way of defending oneself
the body's first line of defense against illness

Examples of line of defense in a Sentence

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Their office would have been the first line of defense. J. David McSwane, ProPublica, 8 Apr. 2025 Cyber Command is known as America’s first line of defense in cyberspace and also plans offensive cyberoperations for potential use against adversaries. Lou Kesten, Los Angeles Times, 4 Apr. 2025 The spaceship is now a compound, the home of a new human colony, and Mickey is its first line of defense. Justin Chang, The New Yorker, 28 Feb. 2025 Throughout the program’s history, EIS officers have been the first line of defense against anthrax, Ebola, smallpox, polio, E. coli, and, yes, bird flu. Nicholas Florko, The Atlantic, 20 Feb. 2025 See All Example Sentences for line of defense

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“Line of defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20defense. Accessed 25 Apr. 2025.

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