soft water

1. 1.

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

   Antonymshard water

   Broaderwater

Questions about soft water

What does soft water mean?

soft water means "water that is not hard (does not contain mineral salts that interfere with the formation of lather with soap)".

What is the opposite of soft water?

The recorded antonyms are hard water.

Is soft water a common word?

soft water is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.