self-defense

noun

self-de·​fense ˌself-di-ˈfen(t)s How to pronounce self-defense (audio)
1
: a plea of justification for the use of force or for homicide
2
: the act of defending oneself, one's property, or a close relative

Examples of self-defense in a Sentence

Recent Examples on the Web The jury also convicted one of the defendants, 27-year-old Brian Cortez Lightfoot, of five additional counts of use of tear gas not in self-defense, but ended up hung on nine counts of assault. Alex Riggins, San Diego Union-Tribune, 3 May 2024 Though self-defense laws seek to deter violent crime, researchers in a 2020 report found no evidence of lower rates of violent crime with these laws in place. Jeanine Santucci, USA TODAY, 3 May 2024 And yet, many in the Jewish community are supportive of Israel’s assault on Gaza and have rationalized it as legitimate self-defense. Jill Gurvey, Twin Cities, 2 May 2024 But encouraging armed self-defense also creates deep expectations in the U.S. that gun ownership is absolute, experts say. Patrik Jonsson, The Christian Science Monitor, 1 May 2024 Before 2001, legitimate self-defense under international law was generally understood to apply only when one country was defending an attack from another. Oona A. Hathaway, Foreign Affairs, 23 Apr. 2024 In the Jackson County prosecutor’s office, one key factor Baker views as a driver of violence is the confluence of lax gun laws with the expansion of self-defense law. Bill Lukitsch, Kansas City Star, 22 Apr. 2024 The Nashville District Attorney’s Office determined the shooting was done in self-defense and the homeowner is not expected to face charges, officials said. Mark Price, Charlotte Observer, 22 Apr. 2024 Kue and Marroquin were found to have acted in self-defense, while Gaddis was charged with crimes that included assault with a dangerous weapon, for allegedly pointing a gun at cops. Detroit Free Press, 21 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'self-defense.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1609, in the meaning defined at sense 2

Time Traveler
The first known use of self-defense was in 1609

Dictionary Entries Near self-defense

Cite this Entry

“Self-defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-defense. Accessed 9 May. 2024.

Kids Definition

self-defense

noun
self-de·​fense
ˌself-di-ˈfen(t)s
: the act of defending oneself, one's property, or a close relative

Legal Definition

self-defense

noun
self-de·​fense
ˈself-di-ˈfens
1
: the use of force to defend oneself
2
: an affirmative defense (as to a murder charge) alleging that the defendant used force necessarily to protect himself or herself because of a reasonable belief that the other party intended to inflict great bodily harm or death see also justification sense 2

More from Merriam-Webster on self-defense

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!