brackish

adjectives

distasteful and unpleasant; spoiled by mixture
"a thin brackish gruel"
is similar to
not pleasant or acceptable to the taste or mind
"an unpalatable meal"; "unpalatable truths"; "unpalatable behavior"
slightly salty (especially from containing a mixture of seawater and fresh water)
"a brackish lagoon"; "the briny deep"
is derived from