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.

Sycamore took control of Boots last year through the acquisition of parent company Walgreens Boots Alliance.

From The Wall Street Journal • Jun. 10, 2026

On Monday, the climate-vulnerable Alliance of Small Island States said countries could not keep ignoring "the elephant in the room" and warned that anything short of winding down fossil fuels was "papering over the cracks".

From Barron's • Jun. 8, 2026

Michelle Guy of the Alliance Party proposed an amendment abolishing the defence of "reasonable punishment", which is available to parents and caregivers in some circumstances.

From BBC • Jun. 7, 2026

“Commercial properties right now are not regulated under any stormwater permit,” said Sean Bothwell, executive director of California Coastkeeper Alliance.

From Los Angeles Times • Jun. 5, 2026

I glance over at Jane, who's giving Gary a look as Mr. Fortson starts talking about how you can't have Alliances within the Alliance or else there's no overarching Alliance.

From "Will Grayson, Will Grayson" by John Green and David Levithan

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!