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.
This includes launching a whole-of-society resilience campaign, simulating realistic scenarios of Chinese military attacks in defense training, expanding public participation in civil defense, and simulating responses to cyberattacks and gray-zone threats. Philip H. Gordon, Foreign Affairs, 22 Sep. 2025 The sirens will wail, much like tornado or civil defense sirens, with a range of up to a mile and a half depending on terrain and leaf-cover, Grasty said. Nora O'Neill, Charlotte Observer, 18 Sep. 2025 An 11-year-old Palestinian girl, Marah Haddad, was rescued by civil defense teams after being trapped for nearly 10 hours under rubble following an Israeli strike on a residential area in Sheva Square. Freddie Clayton, NBC news, 17 Sep. 2025 In the past three weeks, Gaza's civil defense, or first responders, say Israel has destroyed some 1,500 homes in the Zaytoun and Sabra neighborhoods of eastern Gaza City. Aya Batrawy, NPR, 5 Sep. 2025 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

Browse Nearby Words

Cite this Entry

“Civil defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/civil%20defense. Accessed 27 Sep. 2025.

Kids Definition

civil defense

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

More from Merriam-Webster on civil defense

Last Updated: - Updated example sentences
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