Phantom (6)
'phantom' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for imaginary that I've seen before include "Illusory" , "Fancied" , "Not real" , ""All in the mind"" , "Fictional" .)
'phantom' is the definition.
(I know that ghost is a type of phantom)
This is the entire clue.
(Other definitions for ghost that I've seen before include "Visible manifestation of a dead person" , "Pen for another" , "Spirit, spectre" , "Spectre, wraith" , "Apparition; faint trace" .)
'phantom' is the definition.
(I know that phantom can be written as shadow)
This is the entire clue.
(Other definitions for shadow that I've seen before include "Image cast - dog" , "Trail" , "Unilluminated area" , "Air of gloom" , "Ghost" .)
'phantom' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for spirit that I've seen before include "The sort of drink" , "Ghost or soul" , "Life force" , "Courage, strong drink" , "Animating force within living things" .)
'phantom' is the definition.
(I know that spectre is a type of phantom)
This is all the clue.
(Other definitions for spectre that I've seen before include "Sceptre (anag.)" , "Enemy organisation for James Bond; ghost" , "something seen as a threat" , "'Phantom, shade (7)'" , "Ghostly figure" .)
'phantom' is the definition.
(synonyms)
This is the entire clue.
(Another definition for apparition that I've seen is " Ghost".)