Like "Psycho," and then some

Usage examples of eerier.

Darkness had come and the dangling lights cast an eerier, more brilliant glow.

Inside the club, the sudden silence was eerier than anything they had heard so far.

The aurora continued to softly wisp in the sky, vaguely reminiscent of the eerier, flitting ghosts themselves.

And what was even eerier was that they were heading in the same direction I was.