Coupling
Coupling noun - A place where two or more things are united.
Usage example: the coupling between two train cars
Union is a synonym for coupling in connection topic. In some cases you can use "Union" instead a noun "Coupling", when it comes to topics like joint, marriage, combination, connect. popular alternative
Union
Union noun - The act or an instance of joining two or more things into one.
Usage example: the union of East Germany and West Germany that became possible after the fall of communism
Coupling is a synonym for union in connection topic. You can use "Coupling" instead a noun "Union", if it concerns topics such as joint, marriage, combination, merger. popular alternative
Mutual synonyms
Cite this Source
Union and Coupling. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/coupling/union
Coupling & Union. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/coupling/union>.
Union or Coupling. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/coupling/union.
Google Ngram Viewer shows how "coupling" and "union" have occurred on timeline