For the first time in her life she was feeling uncertain of herself.

We are growing older and may feel uncertain about what lies ahead.

"People can feel very uncertain without any pattern to their lives."

I felt uncertain whether to ring the bell or to walk in.

There seem to be too many players who feel uncertain about their role on the team.

"I have some news for you," he began, feeling a little uncertain how to go on.

If you're feeling uncertain, talk it through with your school or education adviser.

I felt uncertain with the word, much less the idea.

I feel very uncertain about my future career in teaching.

This morning, for the first time, she felt uncertain about that.