international law

noun

: a body of rules that control or affect the rights of nations in their relations with each other

Examples of international law 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.
The widespread destruction of civilian infrastructure without clear militarily necessity is considered a violation of international law. Leila Gharagozlou, CNN Money, 3 Apr. 2026 Under international law, Iran has no legal authority to impose blanket transit tolls on vessels passing through the Strait of Hormuz, said Shahla Ali, a professor of law at the University of Hong Kong. Anniek Bao, CNBC, 2 Apr. 2026 Deliberately attacking essential civilian infrastructure is a war crime under international law. Scott Detrow, NPR, 1 Apr. 2026 It is not intended to carry out an operation in the Strait of Hormuz, which is not in accordance with international law. CBS News, 1 Apr. 2026 See All Example Sentences for international law

Word History

First Known Use

1789, in the meaning defined above

Time Traveler
The first known use of international law was in 1789

Cite this Entry

“International law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/international%20law. Accessed 7 Apr. 2026.

Legal Definition

international law

noun
: a body of laws, rules, or legal principles that are based on custom, treaties, or legislation and that control or affect the rights and duties of nations in relation to each other compare internal law

More from Merriam-Webster on international law

Love words? Need even more definitions?

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

More from Merriam-Webster