Ogre (7)
'ogre' is the definition.
(I know that ogre can be written as monster)
This is all the clue.
(Other definitions for monster that I've seen before include "eg Nessie" , "Imaginary beast" , "Something abnormally large and powerful" , "Very big" , "Enormous or grotesque being" .)
(Other definitions for troll that I've seen before include "Unsocial social media user" , "cyber-bully" , "Ugly creature of folklore" , "supposedly lives in a cave" , "who's stirring on-line" .)
'ogre' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for giant that I've seen before include "Designating big" , "Huge person" , "Creature of exceptional size" , "Large black and white mammal" , "Large mythical figure" .)
'ogre' is the definition.
(I know that ogre can be written as fiend)
This is the entire clue.
(Other definitions for fiend that I've seen before include "Demon, ogre" , "Wicked and inhuman person" , "Devilish person" , "monster" , "Evil supernatural being" .)