Hard water and Soft water
Opposite meaning terms
Hard water
Hard water noun - Water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap.
Show all Definitions
Synonyms for Hard water
Soft water is an antonym for hard water.
Soft water
Soft water noun - Water that is not hard (does not contain mineral salts that interfere with the formation of lather with soap).
Show all Definitions
Synonyms for Soft water
Hard water is an antonym for soft water.
Cite this Source
Soft water and Hard water. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/hard_water/soft_water
Hard water & Soft water. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/hard_water/soft_water>.
Soft water or Hard water. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/hard_water/soft_water.
Google Ngram Viewer shows how "hard water" and "soft water" have occurred on timeline