Adjective
-
of e.g. advice
-
physically unsound or diseased
"has a bad back"
"a bad heart"
"bad teeth"
"an unsound limb"
"unsound teeth"
-
suffering from severe mental illness
"of unsound mind"
- mentally ill -
containing or based on a fallacy
"fallacious reasoning"
"an unsound argument"
-
not sound financially
"unsound banking practices"
-
not in good condition
damaged or decayed
"an unsound foundation"