- 1not acceptable; not holding acceptable views ideologically unsound The use of disposable products is considered ecologically unsound.
- 2containing mistakes; that you cannot rely on synonym unreliable The methods used were unsound.
- 3(of a building, etc.) in poor condition; weak and likely to fall down The roof is structurally unsound. opposite sound Idioms
not responsible for your actions because of a mental illness
of unsound mind (law)jump to other results
unsoundnessjump to other results