Creepy
Part of speech: adjective
Definition: producing an uneasy fearful sensation, as of things crawling over one's skin strangely repulsive
Example sentence: I'm not aware of having a creepy laugh, but apparently I do.
Alarming
Part of speech: adjective
Definition: causing apprehension, fear or alarm; frightening
Part of speech: verb
Definition: To call to arms for defense
Example sentence: It's amazing people get so detached from what they eat and what they wear. No one has any contact with how things are made that are put in their body and put in their mouths and I just find it alarming that no one questions it.