Other documents show uncertainty in other aspects of the effort to return to flight.

His face grew mulish, but the eyes showed uncertainty.

In Genesis 19:16, it is used on the word "and he lingered" to show uncertainty.

The testimony showed considerable uncertainty about how much foam had been shed and from where.

The video showed Delfín's desperation and uncertainty of what was going to happen next.

I could not pass such a mantle to anyone who showed weakness or uncertainty.

The trick was, never for an instant to show uncertainty.

If America shows uncertainty or weakness in this decade, the world will drift toward tragedy.

Or her face, which showed apprehension and uncertainty, but had still about it the brightness of curiosity.

Yet he does show great uncertainty in the face of her determination.