chilling
1. [ adjective ] so scary as to cause chills and shudders
Synonyms: scary shivery shuddery scarey
Examples:

"the most terrible and shuddery...tales of murder and revenge"

Related terms: alarming
2. [ noun ] (physics) the process of becoming cooler; a falling temperature
Synonyms: cooling temperature_reduction
Related terms: temperature_change refrigeration freeze heat_dissipation cool cool
Similar spelling:   chilliness
  challenge
  challenger
  cholangitis
  challenging
  coiling
  ceiling