freshwater
//ˈfrɛʃˌwɔːtər//
Noun
1
Water that is not salty, especially when found in lakes, rivers, and streams as opposed to seawater.
This lake contains freshwater, not saltwater.
Adjective
freshwaterCanonical form
1
Relating to, living in, or consisting of water that is not salty.
Freshwater fish cannot survive in the ocean.
2
Inexperienced or unsophisticated, especially in nautical matters (informal).
The freshwater sailor had never been out on the open ocean before.