Unprecedented (5)
'unprecedented' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for new that I've seen before include "Unused or novel" , "Novel, recent" , "Original" , "Fresh, recent" , "Not previously used" .)
'unprecedented' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for novel that I've seen before include "Rebecca?" , "Fictitious prose work" , "She, for example" , "Fictional work" , "Fresh" .)