Fiend (4)
'fiend' is the definition.
(I know that fiend can be written as ogre)
This is all the clue.
(Other definitions for ogre that I've seen before include "One making giant strides" , "Man-eating monster of fairy tales" , "Wicked and inhuman person" , "Cruel fairytale giant" , "Fierce giant" .)
'fiend' is the definition.
(I know that fiend can be written as demon)
This is the entire clue.
(Other definitions for demon that I've seen before include "Familiar" , "Fiend, devil" , "Imp" , "Devil - master performer" , "Evildoer" .)
'fiend' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ghoul that I've seen before include "Corpse-loving phantom" , "Evil presence" , "Evil spirit or phantom" , "malevolent spirit" , "shade" .)
'fiend' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for maniac that I've seen before include "Lunatic or person behaving wildly" , "Lunatic, madman" , "Insane person" , "fruitcake?" , "Psychopath" .)