unsoundness

Mental soundness is merged in unsoundness by degrees of decadence which are so small as to be practically inappreciable.

We must remember, first, that disease is not necessarily evidence of unsoundness.

But the rage of travelling is a symptom of a deeper unsoundness affecting the whole intellectual action.

Denominationally, there is much unsoundness in Scotland; territorially, there is very little.

If only a dull thud meets the ear, the listener may be certain that unsoundness exists.