WordReference Random House Learner's Dictionary of American English © 2026
pan•de•mo•ni•um /ˌpændəˈmoʊniəm/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- wild or noisy uproar or disorder:Pandemonium erupted in the hall after her racist remarks.
- a place or scene of complete chaos, uproar, or disorder:The room was pandemonium.
pan•de•mo•ni•um
(pan′də mō′nē əm),USA pronunciation n.
pan′de•mo′ni•ac′, pan•de•mo•ni•a•cal
(pan′də mə nī′ə kəl),USA pronunciation pan•de•mon•ic
(pan′də mon′ik),USA pronunciation adj.
pan′de•mo′ni•an, adj., n.
- wild uproar or unrestrained disorder; tumult or chaos.
- a place or scene of riotous uproar or utter chaos.
- (often cap.) the abode of all the demons.
- hell.
- 1660–70; after Pandaemonium, Milton's name in Paradise Lost for the capital of hell; see pan-, demon, -ium
- 1. 2. bedlam, turmoil, babel.