SPOOKED

To frighten or make nervous (especially by startling).

"The hunters were spooked when the black cat crossed their path. The movement in the bushes spooked the deer and they ran."

To become frightened (by something startling).

"The deer spooked at the sound of the dogs."

To haunt.

A little scared; worried by a feeling or event. Describing the unsettling feeling there being another unknown ghostly presence.

Being spied upon by security or intelligence services.

Taken off guard; astonished; surprised.