empyreal /em-pi-rēˈəl/ or (Milton, Pope) /em-pirˈi-əl/

1. Formed of pure fire or light
2. Of or relating to the highest and purest region of heaven
3. Sublime

• dead-letter drop
• dead-letters
• dead-level
• dead-levels
• deadlier
• deadliest
• dead-lift
• dead-lifts
• deadlights
• deadline
• deadlines
• deadliness
• deadlinesses
• dead load
• dead loads
• dead-lock
• deadlock
• deadlocked
• deadlocking
• deadlocks
• dead loss
• deadly
• deadly nightshade
• deadly sin
• deadly sins