Sum and Union

Sum

Sum noun - A set containing all and only the members of two or more given sets.

Union is a synonym for sum. In some cases you can use "Union" instead a noun "Sum".

Union

Union noun - A set containing all and only the members of two or more given sets.
Usage example: let C be the union of the sets A and B

Sum is a synonym for union. Sometimes you can use "Sum" instead a noun "Union".

Mutual synonyms

How words are described

complete complete sum complete union
original original sum original union
entire entire sum entire union
real real sum real union
Other adjectives: large, great, huge.

Both words in one sentence

  • Meaningful Release Date Later, the comic introduced another arc number, 1025 (the sum of 413 and 612), generally used to represent some union between the kids' and the trolls' universes.
  • The Great Politics Mess-Up The Sum of All Fears is a close one-written in early 1991, months before the breakup of the Soviet Union, and revolves around a "hoaxed" Soviet attack on the US in January 1992, by which time the USSR had been formally dissolved for a month.
  • Red Scare: Until the collapse of the Soviet Union and the events in The Sum of All Fears, Cold War tensions between the US and its allies and the Soviet Union are a significant part of the overall plot.
Cite this Source
Union and Sum. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/sum/union
Sum & Union. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/sum/union>.
Union or Sum. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/sum/union.
Google Ngram Viewer shows how "sum" and "union" have occurred on timeline