The word unnerving means to make someone feel uneasy, nervous or anxious. It can be used to describe something that is disconcerting, disturbing or alarming, and it often implies a sense of fear or apprehension.
She may not like bathing at first, and you may find handling a squirming, wet and slippery infant a little unnerving as well. (dadsadventure.com)
As you move through the seemingly innocuous story on your crappy CRT monitor, the world starts to pull you in in unnerving ways. (indiegamereviewer.com)
The whispered countdown coupled with unnerving shots of terror give this teaser a real pulse and I can't wait to see how the entire film plays out. (themissingreel.com)