better definition would the following definition be more accurate it is the definition of ghost from how to hunt ghosts by joshua p warren we can loosely define a ghost as some paranormal aspect of the physical form and or mental presence that appears to exist apart from the original physical form the word appears is important to the above definition for most encounters are perceived by the five senses alone creating a subjective experience therefore most information about ghosts is subjective and to wikidudeman i apologize if it is too long