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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yes, brightening serums and retinol products can help manage these skin concerns, but face sunscreens are your first line of defense. Claire Sullivan, Footwear News, 5 May 2025 Name Your Thought And Observe It When negative thought patterns surface at work, awareness is your first line of defense. Expert Panel®, Forbes.com, 1 May 2025 Strong passwords act as your first line of defense. Kurt Knutsson, FOXNews.com, 26 Apr. 2025 Photo illustration by Beck Harlan/NPR When hit with a headache or fever, people often reach for over-the-counter painkillers like acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs) as their first line of defense. Andee Tagle, NPR, 18 Apr. 2025 See All Example Sentences for line of defense

Browse Nearby Words

Cite this Entry

“Line of defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20defense. Accessed 13 May. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!