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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This is the first line of defense for head injuries, with a vast majority of the communication coming as calls to concussion spotters monitoring for the need to pull players off the ice for evaluation. — ABC News, 14 Oct. 2026 This line of defense didn’t persuade Sweeney, who reasoned that adding athletes with expired eligibility would mean more, not less, market competition. — Michael McCann, Sportico.com, 13 Oct. 2026 The wooden wall and boardwalk are the homes’ last line of defense. — N. Kirkpatrick, Washington Post, 9 Oct. 2026 The first line of defense against this has been urgent security patches to fix those software flaws that had not been exploited in the pre-AI world. — Ali El Kaafarani, Forbes.com, 1 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 19 Oct. 2026.

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