Antonyms of noun saltwater

1 sense of saltwater

Sense 1
seawater, saltwater, brine -- (water containing salts; "the water in the ocean is all saltwater")
       Antonym of fresh water (Sense 1)
      => fresh water, freshwater -- (water that is not salty)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun saltwater

1 sense of saltwater

Sense 1
seawater, saltwater, brine -- (water containing salts; "the water in the ocean is all saltwater")
       => water, H2O -- (binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent)