1. Provoking fear or terror
   "the most terrible and shuddery...tales of murder and revenge"
   - chilling, scarey [non-standard], scary, shivery, spine-chilling

See also: alarming, shudder

• protruding
• protrusible
• protrusile
• protrusion
• protrusive
• protuberance
• protuberant
• protuberate
• Protura
• proturan
• protégé
• protégée
• proud
• proud flesh
• proud of
• Proudhon
• proudly
• Proust
• Proustian
• proustite
• Prov.
• provability
• provable
• provably
• prove