alliance
noun
al·li·ance
ə-ˈlī-ən(t)s 
1
a
: the state of being allied : the action of allying
nations in close alliance
b
: a bond or connection between families, states, parties, or individuals
a closer alliance between government and industry
2
: an association to further the common interests of the members
specifically
: a confederation of nations by treaty
the alliance of Western nations
3
: union by relationship in qualities : affinity
an alliance of industry and academia
4
: a treaty of alliance
Examples of alliance in a Sentence
We need to form a closer alliance between government and industry.
strengthen the alliance of western nations
There has been a pattern of shifting alliances in the political world.
The article condemns what some say is an unholy alliance between government and media.
one nation working in alliance with another
There is disagreement within the alliance about how to deal with this problem.
Recent Examples on the Web
One of the world’s most durable and amicable alliances — born of geography, heritage and centuries of common interests — is broken, as seen in several recent examples of tension between leaders.
—
ABC News, 12 June 2026
The agreement expands the relationship between the two companies into a strategic alliance.
—Aamir Khollam, Interesting Engineering, 12 June 2026
Trump has long questioned the value of the military alliance and complained that the United States provides security to European countries that don’t pull their weight.
—Jill Lawless, Los Angeles Times, 11 June 2026
The museum is dedicated to the 1853–56 Crimean War, the notoriously brutal conflict between the Russian Empire and an alliance that included the Ottoman, French, and British empires.
—Tessa Solomon, ARTnews.com, 11 June 2026
See All Example Sentences for alliance
Examples are automatically compiled from online sources to
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ABC News, 12 June 2026
The agreement expands the relationship between the two companies into a strategic alliance.
—Aamir Khollam, Interesting Engineering, 12 June 2026
Trump has long questioned the value of the military alliance and complained that the United States provides security to European countries that don’t pull their weight.
—Jill Lawless, Los Angeles Times, 11 June 2026
The museum is dedicated to the 1853–56 Crimean War, the notoriously brutal conflict between the Russian Empire and an alliance that included the Ottoman, French, and British empires.
—Tessa Solomon, ARTnews.com, 11 June 2026
See All Example Sentences for alliance
Cite this Entry
“Alliance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alliance. Accessed 19 Jun. 2026.
Copy CitationKids Definition
alliance
noun
al·li·ance
ə-ˈlī-ən(t)s
1
: the state of being allied
2
a
: a union between persons, families, or parties
b
: a union between nations for assistance and protection
3
: a treaty of alliance
Geographical Definition
Alliance
geographical name
Al·li·ance
ə-ˈlī-ən(t)s
city in northeastern Ohio northeast of Canton population 22,322
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