1. Provoking fear or terror
   - chilling, scarey [non-standard], scary, shivery, shuddery

See also: alarming

• orchard apple tree
• orchard grass
• orchard oriole
• orchardist
• Orchestia
• Orchestiidae
• orchestra
• orchestra pit
• orchestral
• orchestral bells
• orchestrate
• orchestrated
• orchestration
• orchestrator
• orchid
• orchid cactus
• orchid family
• orchid tree
• Orchidaceae
• orchidaceous
• orchidaceous plant
• Orchidales
• orchidalgia
• orchidectomy
• orchiectomy