Frenziedly (4)
'frenziedly' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for amok that I've seen before include "'Wildly, without self-control (4)'" , "Berserk" , "crazy" , "(Run) in murderous frenzy" , "Running wild" .)
'frenziedly' is the definition.
(thesaurus)
This is the entire clue.
(Another definition for madly that I've seen is " "Deeply truly ____"".)