"The surfaces have to be incredibly smooth and they have to have exactly the right curvature."

The supercharger resides on top, and the engine is incredibly smooth.

The blue silk of her dress felt incredibly smooth, and she latched on to that.

"And my skin has become incredibly smooth and glowing."

But this wasn't incredibly smooth or exciting or necessary as a speech.

I mean, er, it's an incredibly smooth process.

The night air was incredibly smooth, and even with its extra weight the aircraft seemed to float effortlessly.

They have an incredibly smooth relationship, relatively speaking.

It was incredibly smooth, with no discernible breaks anywhere.