1. superlative form of heavenly; most beautiful, delightful, or blissful
Usage: superlative degree; informal usage common
2. superlative form of heavenly; most relating to or belonging to heaven
Usage: superlative degree; religious or spiritual context

Examples

• That chocolate cake was the heavenliest dessert I've ever tasted.
• The view from the mountaintop was the heavenliest sight imaginable.
• She wore the heavenliest perfume that filled the entire room.
• The heavenliest music played softly in the background during the ceremony.
• This is the heavenliest weather we've had all summer.
• The heavenliest peace settled over the garden at sunset.