This uncertainty adds a level of complexity into the game, since it is not always possible to predict if taking a square will be successful.

But the uncertainty, in many ways, only adds to the anticipation of a tournament.

This uncertainty could add volatility to the trading of the 30-year bond.

This uncertainty adds to the general insecurity felt by Muslims.

The uncertainty in her own voice added to her distress.

But the uncertainty about how many programs they can run adds to the difficulty of hiring staff.

The uncertainty could add days or weeks to their time to full medical facilities.

Two weeks later, this lingering uncertainty about Sears's death has added fear to their sadness.

On the other hand, uncertainty about the election's outcome adds more doubt.

"The uncertainty of what you're going to get controls this industry," he added.