Part of the Smart's problem is its apparent instability in snow and ice.

Others were more concerned about his apparent mental instability and paranoid behaviors.

It ended after a period of apparent mental instability, and he did not seek re-election.

He has never been charged with any crime due to apparent mental instability.

How, for example, does this idea explain the relative brevity and apparent instability of Nazism's success before 1933?

"A possibility, Captain, but a remote one, considering the apparent instability of the gates."

But some Union residents wonder whether the apparent instability of her mind is just another trick.

Despite apparent political instability the Seimas managed to introduce some economic stability.

However, despite its apparent instability, the pile did not begin moving as he had feared.

Mental instability, apparent or real, created by a careful pattern of deception and confusion?