saltwater

/ˈsɔltˌwɔtər/
adjective
  1. Relating to or living in water that contains salt.
    • The saltwater crocodile is the largest reptile on Earth.
    • Saltwater aquariums require more maintenance than freshwater ones.
    • She prefers saltwater fishing because the fish are bigger.
Antonyms
noun
  1. Water that contains a significant amount of salt, especially seawater.
    • Many creatures live only in saltwater, not in freshwater.
    • The ocean is full of saltwater, which is why it tastes salty.
    • Saltwater can be desalinated to make it drinkable.
Synonyms