Ghost, The Dead
noun
A deceased ghost is a ghost (all ghosts are deceased). Can also refer to "the dead."
ぼうれい
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
亡霊はめげずに、人々を怖がらせ続けました。
The ghost continued to scare people without getting depressed.