Pact has "peace" at its root because a pact often ends a period of unfriendly relations. The word is generally used in the field of international relations, where diplomats may speak of an "arms pact", a "trade pact", or a "fishing-rights pact". But it may also be used for any solemn agreement or promise between two people; after all, whenever two parties shake hands on a deal, they're not about to go to war with each other.
We supported a peace pact between the two countries.
They made a pact to go to the gym together three times a week.
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The Democratic Republic of Congo on Monday accused Rwanda of violating its commitments to a pact signed just last week in Washington.—Jeronimo Gonzalez, semafor.com, 9 Dec. 2025 India and Russia signed a pact in February to improve military cooperation, exercises, port calls, disaster relief assistance and logistics support.—Rajesh Roy, Arkansas Online, 6 Dec. 2025 The two sides signed a pact in February to improve military cooperation, exercises, port calls, disaster relief assistance and logistics support.—CBS News, 5 Dec. 2025 In a statement following the announcement of the deal, Cinema United, the exhibition industry largest trade group, slammed the pact.—Brent Lang, Variety, 5 Dec. 2025 See All Example Sentences for pact
Word History
Etymology
Middle English, from Middle French, from Latin pactum, from neuter of pactus, past participle of pacisci to agree, contract; akin to Old English fōn to seize, Latin pax peace, pangere to fix, fasten, Greek pēgnynai
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