Definition of alliancenext
1
as in treaty
a formal agreement between two or more nations or peoples the smaller countries signed an alliance pledging to protect one another against the belligerent behemoth in their midst

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2
as in coalition
an association of persons, parties, or states for mutual assistance and protection an alliance between the French and the Algonquians to check Iroquois advances into their territory

Synonyms & Similar Words

3

Example Sentences

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.
Recent Examples of alliance The story also centers on Jitka, Morava’s courageous fiancée, who goes undercover as bait, and Marleen, a seductive actress who has a secret alliance with Buback. Jesse Whittock, Deadline, 3 Mar. 2026 The case made for some unusual political alliances. ABC News, 2 Mar. 2026 Since 1979, the Islamic Republic has sought to build an alliance that would protect its interests and influence other Shiite communities. Robin Wright, New Yorker, 1 Mar. 2026 The alliance advocates for young people in the criminal justice system. Claire Osborn, Austin American Statesman, 28 Feb. 2026 See All Example Sentences for alliance
Recent Examples of Synonyms for alliance
Noun
  • The United States has signed the treaty but has not ratified it.
    Sandee LaMotte, CNN Money, 26 Feb. 2026
  • Undergoing demographic changes After Minnesota gained statehood in 1858, a series of broken treaties, armed conflicts and several laws forced Indigenous people onto reservations, opening up large swathes of land for white settlement.
    Daniel Cueto-Villalobos, The Conversation, 26 Feb. 2026
Noun
  • They were introduced for students in England and Wales in 2012, after the coalition government tripled tuition fees from £3,290 to £9,000 per year (there are no fees for students from Scotland, and they’re capped at about half the rate in Northern Ireland).
    The Week UK, TheWeek, 1 Mar. 2026
  • About $4 million of that would be steered toward County Medical Services, according to election paperwork filed by two county labor unions and a coalition of nonprofit leaders.
    Lucas Robinson, San Diego Union-Tribune, 1 Mar. 2026
Noun
  • What has driven the growth in corporate partnerships?
    Andrew Edgecliffe-Johnson, semafor.com, 28 Feb. 2026
  • The concept grew quickly, and partnerships have helped remove friction points that keep people from showing up downtown.
    Kansas City Star, Kansas City Star, 27 Feb. 2026
Noun
  • The deal is Washington’s latest on the continent, with more than a dozen nations agreeing to similar pacts recently.
    Jeronimo Gonzalez, semafor.com, 27 Feb. 2026
  • Former Saint Lucia Prime Minister Kenny Anthony and Haitian Prime Minister Alix Didier Fils-Aimé both provided an update on the crisis in Haiti, including the signing of a national pact with more than 200 political parties and civil society groups.
    Jacqueline Charles, Miami Herald, 27 Feb. 2026
Noun
  • Even in contemporary political and intellectual discourse, there remains an attachment to a particular stupid southern conservatism, the ideocratic confederacy.
    Literary Hub, Literary Hub, 17 Feb. 2026
  • The conflict escalated into full-scale war between the U.S. Army and a confederacy of tribes led by Miami chief Little Turtle and Shawnee chief Blue Jacket to decide who would keep Ohio.
    Jeff Suess, Cincinnati Enquirer, 23 Nov. 2025
Noun
  • Brende is among other high-profile Norwegians to face repercussions over their associations with Epstein, including the country’s former prime minister, the crown princess, and a diplomat.
    semafor.com, semafor.com, 3 Mar. 2026
  • As of 2026, there is still no evidence for any stellar association with CDG-1.
    Big Think, Big Think, 3 Mar. 2026
Noun
  • The Basement’s union was formed two years ago.
    Cerys Davies, Los Angeles Times, 6 Mar. 2026
  • The group includes Supervisors Nate Miley and Nikki Fortunato Bas and representatives of the system’s administration and health care workers’ union.
    Chase Hunter, Mercury News, 5 Mar. 2026
Noun
  • The robot is an advanced mobility solution designed by the Hyundai Motor Company in collaboration with Kia, Hyundai Rotem, Hyundai Mobis, and the National Fire Agency.
    Atharva Gosavi, Interesting Engineering, 4 Mar. 2026
  • By the 1990s, IQ alone was no longer enough, as management, communication, and cross-cultural collaboration became essential skills that no standardized test could capture.
    Big Think, Big Think, 4 Mar. 2026

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Cite this Entry

“Alliance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/alliance. Accessed 6 Mar. 2026.

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