Outrageous (5)
'outrageous' is the definition.
(flagrant can mean outrageous or blatant)
This is all the clue.
(Other definitions for flagrant that I've seen before include "Crying" , "Openly outrageous" , "Shocking" , "Conspicuous, blatant" , "Unashamed" .)
'outrageous' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for crazy that I've seen before include "Lunatic" , "Foolish; insane" , "Insane; very enthusiastic" , "Deranged" , "Unhinged" .)
(Other definitions for insane that I've seen before include "off trolley" , "Mad, irrational" , "Anne is (anag) - crazy" , "out to lunch" , "nuts" .)