[count] literary: a confusing or strange scene that is like a dream because it is always changing in an odd way ▪ He saw a phantasmagoria of shadowy creatures through the fog.
— phan·tas·ma·gor·ic/fænˌtæzməˈgorɪk/orphan·tas·ma·gor·i·cal/fænˌtæzməˈgorɪkəl/adjective ▪ a phantasmagoric scene