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.

Then, during a debate, David Jones and Ben Midgley announced an alliance of their own.

From Salon • Jun. 9, 2026

But despite North Korea's reliance on China and its position as a junior partner in the alliance, this week Kim appeared to get his way on at least one key issue.

From BBC • Jun. 9, 2026

"It appears Xi is trying to consolidate the alliance" with North Korea partly for that reason, he said.

From Barron's • Jun. 7, 2026

The overall destruction, paired with the collapse of a major alliance, made 2025 a defining year for the game.

From BBC • Jun. 5, 2026

“I was after what you’re after: the alliance of my world with your worlds. What did you think?”

From "The Left Hand of Darkness" by Ursula K. Le Guin

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!