Definitions

alliance

[uh-lahy-uhns] / əˈlaɪ əns /

NOUN

friendly association, agreement

Synonyms

STRONG

accord affiliation affinity betrothal bond coalition coherence collaboration collusion combination communion compact concord concurrence confederacy confederation congruity conjunction connection consanguinity cooperation engagement entente federation fraternization friendship interrelation kinship league marriage matrimony membership mutuality pact participation partnership relation support tie treaty union

Antonyms

STRONG

antagonism detachment disagreement disconnection discord disunity division divorce hatred opposition separation

WEAK

disunion estrangement hostility rebellion war

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Do we look like a strong member of the Nato alliance?

From BBC • Jun. 27, 2026

A report released recently by IGNES, a French trade alliance, warns of “a massive inadequacy of housing to cope with high temperatures.”

From The Wall Street Journal • Jun. 25, 2026

The partnership is an unusual alliance between Google’s DeepMind AI unit and A24, as Hollywood has been wary of artificial intelligence.

From The Wall Street Journal • Jun. 22, 2026

The Greens made a key alliance with the Triarchy to fortify its naval forces.

From Los Angeles Times • Jun. 19, 2026

“We will, of course, agree to an alliance... under a certain set of conditions,” Evelyn says.

From "Insurgent" by Veronica Roth

Vocabulary lists containing alliance

May the 4th Be With You: Star Wars Words

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Working Together: The Language of Unions

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Vocabulary from The Articles of Confederation

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!