Synonyms & Antonyms of union

1 the act or an instance of joining two or more things into one
  • the union of East Germany and West Germany that became possible after the fall of communism

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2 an association of persons, parties, or states for mutual assistance and protection
  • in 1949 the U.S. and Canada joined their European allies in a transatlantic union to defend Western Europe from aggression by the Soviet Union

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3 the state of having shared interests or efforts (as in social or business matters)
  • the movie studio is producing the blockbuster in union with another studio because of the tremendous cost involved

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Time Traveler for union

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The first known use of union was in the 15th century

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Cite this Entry

“Union.” Thesaurus, Merriam-Webster, Accessed 17 Jun. 2021.

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More from Merriam-Webster on union

Dictionary: Definition of union

Medical Dictionary: Definition of union

Nglish: Translation of union for Spanish Speakers

Britannica English: Translation of union for Arabic Speakers Encyclopedia article about union


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