The most unpredictable element of all, an early or particularly harsh winter, could scuttle the entire effort and kill thousands.

Our very presence in other cultures introduces unpredictable elements that would not normally be there.

Fuel prices also are an unpredictable element in the airline industry.

Amoeba is one of the most unpredictable elements of the game.

The swings won't be the only unpredictable elements.

The testimony of Anthony, who will turn 8 early next month, is expected to be a crucial, if unpredictable, element of the trial.

Gone were the unpredictable elements of the group's sound, giving way to smoother musical arrangements.

But this was the nature of Transfer duty: alien creatures were the ultimately unpredictable element.

But right now we don't need any unpredictable elements.

But this is an issue that cuts across party lines and injects another unpredictable element into politics everywhere.