poltergeist activityOur editors are putting together more complete content — check back in about 20 minutespoltergeist activitypoltergeist activity — noun名詞1. noise and movement caused by a poltergeist, a mischievous ghost1.名詞釋義noise and movement caused by a poltergeist, a mischievous ghost例句The family reported strange poltergeist activity in their home.