Heinous (4)
'heinous' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for evil that I've seen before include "Live badly in depravity" , "A live sort of badness" , "Wicked, sinful" , "Malignant" , "Malign" .)
'heinous' is the definition.
(synonyms)
This is all the clue.
(Other definitions for atrocious that I've seen before include "Extremely wicked" , "Terrible" , "Appallingly bad" , "Extremely bad" , "Dreadful" .)