noun, plural solidarities.
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.
community of feelings, purposes, etc.
community of responsibilities and interests.

1840–50; < French solidarité, equivalent to solidaire solidary + -ité -ity

nonsolidarity, noun
unsolidarity, noun

1. unity, cooperation, community. 2. unanimity. Unabridged


a Polish organization of independent trade unions founded in 1980: outlawed by the government of Poland in 1982.
Polish Solidarność [saw-lee-dahr-nawshch] . Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
solidarity (ˌsɒlɪˈdærɪtɪ)
n , pl -ties
unity of interests, sympathies, etc, as among members of the same class

Solidarity (ˌsɒlɪˈdærɪtɪ)
the organization of free trade unions in Poland: recognized in 1980; outlawed in 1982; legalized and led the new noncommunist government in 1989
[C20: from Polish solidarność: solidarity]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1841, from Fr. solidarité "mutual responsibility," a coinage of the "Encyclopédie" (1765), from solidaire "interdependent, complete, entire," from solide (see solid). With a capital S-, the name of an independent trade union movement in Poland, formed Sept. 1980
and officially banned Oct. 1982, from Pol. Solidarność.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

Solidarity definition

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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences for solidarity
It then coordinates action towards social integration and solidarity.
The group waited seven hours at the border, and then canceled the concert in solidarity.
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