| unsoundness | (n) a condition of damage or decay, Ant. soundness |
| unsoundness | (n) a misconception that is fallacious and not true or valid, Example: the unsoundness of his conclusion was obvious |
| unsoundness | (n) not mentally or physically healthy, Ant. soundness, Example: no one can be a poet without a certain unsoundness of mind |
| derangement | (n) a state of mental disturbance and disorientation, Syn. unbalance, mental unsoundness |
| Unzurechnungsfähigkeit { f } | unsoundness of mind [Add to Longdo] |
| Unzuverlässigkeit { f } | unsoundness [Add to Longdo] |