| A major concern was the uncertainty of some of the proposed sources of power, especially wind power. |
| There probably hasn't been a time in history whereby there's so much uncertainty. |
| In order to do the thing, to the best of your ability and give you the flexibility for the uncertainty that always comes about in combat. |
| Frustration and uncertainty had warred within him as he awaited Jerry's arrival home. |
| A few of the elves with the bows lowered them and looked at each other in uncertainty. |
| The fatigue, nausea and uncertainty that often accompany early pregnancy may tempt you to forget about fitness. |
