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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Mental health caregivers are the first and last line of defense. Kat McGowan, NPR, 31 Dec. 2025 Even though the shot isn't perfectly matched for this variant, experts say the vaccine is still the best line of defense to protect against severe illness, hospitalization and death. Dr. Jade Cobern, ABC News, 31 Dec. 2025 Scarves are a great line of defense, but mocknecks and turtlenecks should also be in your rotation. Julia Guerra, InStyle, 31 Dec. 2025 What were once modest, local structures protecting farms gradually became the first line of defense for millions of people in homes and workplaces. Farshid Vahedifard, The Conversation, 29 Dec. 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 10 Jan. 2026.

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