bone–chilling

bone–chilling /ˈboʊnˌtʃɪlÉŖÅ‹/ adjective
bone–chilling
/ˈboʊnˌtʃɪlÉŖÅ‹/
adjective
Britannica Dictionary definition of BONE–CHILLING
[more bone–chilling; most bone–chilling]
2 
: causing strong feelings of fear, terror, etc.