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.

United Launch Alliance, a rocket company owned by Boeing and Lockheed Martin, has warned that flying Starship from even one pad in the area would likely disrupt other rocket operations.

From The Wall Street Journal • Jun. 8, 2026

Pashinyan's centrist Civil Contract Party secured 49.8% of the vote, with the Strong Armenia Alliance coming in second with 23.2%.

From BBC • Jun. 8, 2026

Ugarte is a former deputy chief of staff for Price and Mazariegos is co-director of the Alliance of Californians for Community Empowerment Los Angeles and is backed by the Democratic Socialists of America.

From Los Angeles Times • Jun. 3, 2026

Maria Lou Calanche, executive director of the nonprofit Expanded Learning Alliance, trailed Hernandez, according to early returns.

From Los Angeles Times • Jun. 3, 2026

She invited Amy Wilder, an Oakland High School resource specialist who was the faculty adviser for the school’s Gay-Straight Alliance.

From "The 57 Bus" by Dashka Slater

Vocabulary lists containing alliance

May the 4th Be With You: Star Wars Words

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Working Together: The Language of Unions

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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!