poltergeistism means the supposed manifestation of the presence of one or more poltergeists, especially as involving physical objects which move or fly about without warning. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From poltergeist + -ism.
noun
- The supposed manifestation of the presence of one or more poltergeists, especially as involving physical objects which move or fly about without warning.“"Breakin' windows and such," Hall said; "reg'lar Mafficking night they 'ad last night. Put the wind up them all proper."
"Poltergeistism!" I ejaculated.”