Used attributively (before a noun) to denote something associated with glory; not gradable.
Definitionen
Attributive: Relating to or characterized by glory, fame, or great beauty. Those were the glory days of rock and roll.
Informal exclamation expressing surprise, delight, or emphasis (chiefly US).
Definitionen
An exclamation of surprise, delight, or emphasis. Glory! That was a close call.
Synonyme
Glory be!
Praise the Lord!
Blessed be!