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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That means hunters headed to the field this fall may be the most important line of defense for spotting this destructive parasite and keeping it from spreading further. — Eric Michel, The Conversation, 6 Nov. 2026 How security software can help protect holiday shoppers Good habits are your first line of defense, but nobody spots every scam every time, especially during the busy holiday season. — Kurt Knutsson, FOXNews.com, 3 Nov. 2026 Add Mulch While compost is your first line of defense with moisture retention and warmth, mulch is a critical component in the compost application process. — Heather Bien, The Spruce, 31 Oct. 2026 The accumulating damage persistently activates the innate immune system—the body’s first line of defense—leading to what is known as inflammaging, functional decline and chronic diseases of old age. — Kristel Tjandra, Hartford Courant, 30 Oct. 2026 See All Example Sentences for line of defense

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Cite this Entry

“Line of defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20defense. Accessed 14 Nov. 2026.

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