|pandə|mōnēˌak adjective
also pan·de·mon·ic -mänik ; or pan·de·mo·ni·a·cal |pandəmə|nīəkəl
Etymology: pandemoni um + -ac (after demoniac ) or -ic (after demonic ) or -acal (after demoniacal )
1. : of or relating to or resembling Pandemonium : infernal
2. : having the character of a pandemonium : riotous
several hundred thousand hysterical … youths roaring pandemoniac approval — J.A.Morris b. 1904