Sentence examples for is a uncertain from inspiring English sources

These statements express the discovery that during scientific work, students cannot always know what to expect and that there is a uncertain aspect to doing science.

It is an uncertain future.

But their alternative is an uncertain prospect.

But this is an uncertain venture.

Kashua is an uncertain, even timid teacher.

But certitude is an uncertain thing.

The world is an uncertain place.

Public relations is an uncertain science.

One definition of an adventure is an uncertain outcome.

Prediction is an uncertain business, but a crucial one.

President Clinton is an uncertain Commander-in-Chief.