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• solidarity
  solidarity

  noun

  union or fellowship arising from common responsibilities and interests, as between members of a group or between classes, peoples, etc..
• Solidarity
  Solidarity

  noun

  a Polish organization of independent trade unions founded in 1980: outlawed by the government of Poland in 1982.

solidarity

¹ American  

[sol-i-dar-i-tee] / ˌsɒl ɪˈdær ɪ ti /

noun

solidarities plural

1. union or fellowship arising from common responsibilities and interests, as between members of a group or between classes, peoples, etc..

   to promote solidarity among union members.

   Synonyms:

   community, cooperation, unity

2. community of feelings, purposes, etc.

   Synonyms:

   unanimity

3. community of responsibilities and interests.

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Solidarity ² American  

[sol-i-dar-i-tee] / ˌsɒl ɪˈdær ɪ ti /

noun

1. a Polish organization of independent trade unions founded in 1980: outlawed by the government of Poland in 1982.

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solidarity ¹ British  

/ ˌsɒlɪˈdærɪtɪ /

noun

1. unity of interests, sympathies, etc, as among members of the same class

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Solidarity ² British  

/ ˌsɒlɪˈdærɪtɪ /

noun

1. the organization of free trade unions in Poland: recognized in 1980; outlawed in 1982; legalized and led the new noncommunist government in 1989

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Solidarity Cultural  

1. A labor union in Poland, independent of the government and of the Polish Communist party, that grew to a membership of several million in the early 1980s. Led by Lech Walesa, Solidarity pushed for many reforms and played a major part in the ouster of communism in Poland and its replacement by a multiparty, democratic government. The movement's influence began to decline in the 1990s.

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Other Word Forms

• nonsolidarity
  noun
• unsolidarity
  noun

Etymology

Origin of solidarity

First recorded in 1840–50; from French solidarité, equivalent to solidaire solidary + -ité -ity

Explanation

When you see a group of citizens protesting something on the news, marching in a group, holding signs, and chanting slogans, you know they are in solidarity with each other, or united behind a common goal or purpose. Any time you express support of a group or the people in it, you're showing solidarity with them. The word is used most often to describe a sense of unity with a political group, a group of striking workers, or people who have been deprived of their rights in some way. You might show your own solidarity by signing a petition, joining in a protest, or simply flashing a thumbs up.

Example Sentences

“The men and the women decided, in solidarity with what was happening outside, to engage in a hunger and a labor strike,” she said.

From Slate • May 29, 2026

Leo writes that modern technology has wonderful benefits like the establishment and ease of worldwide interconnections, the formation of global community and solidarity via the digital commons.

From Slate • May 28, 2026

While many have shown solidarity online, he said Thai laws left him feeling abandoned.

From Barron's • May 25, 2026

South Africa's international standing has meanwhile been dented, undermining its post-apartheid image as a champion of human rights and African solidarity.

From Barron's • May 22, 2026

In Fryer’s view, giving a child a superblack name is a black parent’s signal of solidarity with the community.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt

Related Words

• agreement
• consensus
• harmony
• support
• teamwork
• unanimity
• unification