soft water

noun

Water with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

Similar
softened water
Opposite
hard water
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Meanings

nounsoft water (countable and uncountable, plural soft waters)

plural soft waters

  1. countableuncountablechemistryWater with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

    Synonyms: softened water · Antonyms: hard water

Synonyms & antonyms

nounWater with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

Similar
softened water
Opposite
hard water

More synonyms by meaning

nounwater that is not hard (does not contain mineral salts that interfere with the formation of lather with soap)

Opposite
hard water
Broader
waterH2O
Also see
softened water

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Chinese Mandarin 軟水 /软水
  • 軟水 /软水 (ruǎnshuǐ)water with a low concentration of dissolved minerals
Danish blødt vand
  • blødt vandwater with a low concentration of dissolved minerals
Dutch zacht water
  • zacht waterwater with a low concentration of dissolved minerals
Finnish pehmeä vesi
  • pehmeä vesiwater with a low concentration of dissolved minerals
French eau douce
  • eau doucewater with a low concentration of dissolved minerals
German weiches Wasser
  • weiches Wasserwater with a low concentration of dissolved minerals
Greek μαλακό νερό
  • μαλακό νερό (malakó neró)water with a low concentration of dissolved minerals
Japanese 軟水
  • 軟水 (nansui)water with a low concentration of dissolved minerals
Korean 연수
  • 연수 (yeonsu)water with a low concentration of dissolved minerals
Malay air lembut
  • air lembutwater with a low concentration of dissolved minerals
Polish miękka woda
  • miękka wodawater with a low concentration of dissolved minerals
Portuguese água mole
  • água molewater with a low concentration of dissolved minerals
Russian мя́гкая вода́
  • мя́гкая вода́ (mjáxkaja vodá)water with a low concentration of dissolved minerals
Spanish agua blanda
  • agua blandawater with a low concentration of dissolved minerals
Thai น้ำอ่อน
  • น้ำอ่อน (náam-ɔ̀ɔn)water with a low concentration of dissolved minerals
Ukrainian м'яка́ вода́
  • м'яка́ вода́ (mʺjaká vodá)water with a low concentration of dissolved minerals
Welsh dŵr meddal
  • dŵr meddalwater with a low concentration of dissolved minerals
Cite this entry
APA

soft water. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/soft%20water

MLA

“soft water.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/soft%20water. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “soft water,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/soft%20water.

Source: soft water on Wiktionary, CC BY-SA 4.0.