Doubly (5)
'doubly' is the definition.
(I know that doubly can be written as twice)
This is the entire clue.
(Other definitions for twice that I've seen before include "Two times" , "Doubly" , "You only live -- (film)" , "Double in quantity" .)
'doubly' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for twofold that I've seen before include "Twice as numerous" , "Having dual elements" , "Double" , "doubled in size" , "Twice as much" .)