brackish

adjective3

1. •
   Of water, salty or slightly salty, as a mixture of fresh and sea water, such as that found in estuaries.

   • ...by a low course and too long sporting with the briny Ocean it tasts brackish and insalubrious... — 1638
2. •
   Distasteful; unpleasant; not appealing to the taste.

   • Therefore the bread he had to eat Seemed brackish, less like corn than tares — 1881
3. •
   Repulsive.