civil defense

noun

: the system of protective measures and emergency relief activities conducted by civilians in case of hostile attack, sabotage, or natural disaster

Examples of civil defense in a Sentence

She's in training to be part of the local civil defense. the head of civil defense
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.
Sweden’s minister for civil defense, Carl-Oskar Bohlin, said the attack on a heating plant in western Sweden failed, giving no further details. ABC News, 15 Apr. 2026 Israeli strikes killed 91 people in Lebanon’s capital city, the civil defense service said. Swapna Venugopal Ramaswamy, USA Today, 9 Apr. 2026 The Lebanese civil defense forces said over 250 people were killed. Marissa Sulek, CBS News, 9 Apr. 2026 The Lebanese civil defense unit put the toll as significantly higher, with at least 250 people killed — 92 in Beirut alone. Nabih Bulos, Los Angeles Times, 8 Apr. 2026 See All Example Sentences for civil defense

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of civil defense was in 1939

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Cite this Entry

“Civil defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/civil%20defense. Accessed 17 Apr. 2026.

Kids Definition

civil defense

noun
: protective actions and emergency relief activities carried on by civilians in case of enemy attack or natural disaster

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