Diligent (9)
'diligent' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for assiduous that I've seen before include "Showing great care and perseverance" , "Persevering" , "Hard-working" , "Marked by care and persistent effort" , "Diligent" .)
'diligent' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for scrupulous that I've seen before include "Moral" , "Conscientious, careful" , "Very ethical" , "Extremely conscientious" , "Principled" .)