Related Clues:

• More ghostly
• More weird and creepy
• Less earthly
• More strangely frightening
• Comparatively uncanny
• More Halloweeny
• Like 'Halloween,' and then some
• Like "Halloween," and then some
• Stranger sounding than 21?
• Spookier, creepier
• More like an empty old mansion at night, say
• European monarch twice hosts one stranger
• More Lovecraftian
• More ghoulish