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
Recent Examples on the Web
The outer perimeter is a first line of defense, typically marked by some sort of security checkpoint.
—
Harmeet Kaur, CNN Money, 29 Apr. 2026
May Boost Immune Function Drinking cranberry juice may increase the number of immune cells, which serve as a first line of defense against infections like the common cold and flu.
—Cynthia Sass, Health, 27 Apr. 2026
That was really a first line of defense.
—Christina Dugan Ramirez, FOXNews.com, 27 Apr. 2026
Preventive Measures Cultural Practices Since this weed grows the best in open areas with poor soil, keeping your lawn grass thick and healthy is a great line of defense against an invasion.
—Mary Marlowe Leverette, Southern Living, 26 Apr. 2026
See All Example Sentences for line of defense
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Harmeet Kaur, CNN Money, 29 Apr. 2026
May Boost Immune Function Drinking cranberry juice may increase the number of immune cells, which serve as a first line of defense against infections like the common cold and flu.
—Cynthia Sass, Health, 27 Apr. 2026
That was really a first line of defense.
—Christina Dugan Ramirez, FOXNews.com, 27 Apr. 2026
Preventive Measures Cultural Practices Since this weed grows the best in open areas with poor soil, keeping your lawn grass thick and healthy is a great line of defense against an invasion.
—Mary Marlowe Leverette, Southern Living, 26 Apr. 2026
See All Example Sentences for line of defense
Cite this Entry
“Line of defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20defense. Accessed 2 May. 2026.
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