English Reference
noun

solidarity

n.
US /ˌsɑɫəˈdɛɹəti/ UK /sˌɒlɪdˈæɹɪti/ sol·i·dar·i·ty UK spelling solidarities

  1. 01 C1 Advanced Formal

    the act of showing you care about someone who is in a difficult situation.

    the expression of support for another person facing hardship or requiring assistance.

    Simple

    The community showed solidarity with the families who lost their homes in the fire.

    In context

    The international community expressed its solidarity with the victims of the earthquake by providing immediate financial and medical assistance.

  2. 02 C2 Proficiency Formal

    the name of the famous trade union movement in Poland that helped end communism.

    the Polish trade union and social movement founded in 1980, which played a central role in the end of communist rule in Poland.

    Simple

    Solidarity was the first independent trade union in a Soviet-bloc country.

    In context

    The rise of Solidarity in the 1980s served as a catalyst for democratic transitions across Eastern Europe.

    solidarność

Among other acts of solidarity, she cooked food for them for months.

Al Jazeera· 14 Aug 2026

Several UN agencies have expressed solidarity with affected communities and said they are ready to assist, pending a Government request.

UN News· 10 Aug 2026

By surface analysis, from English solidary + -ity, or from French solidarité (“solidarity”), from solidaire (“characterized by solidarity”), from Latin solidum (“whole sum”), neuter of solidus (“solid”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin solidum
Level C1 · Advanced
Frequency Frequent
Updated