Downright (8)
'downright' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for arrant that I've seen before include "Extreme or flagrant, perhaps nonsense" , "Downright - maybe nonsense" , "Out-and-out, downright - often nonsense" , "Out-and-out - rat ran (anag)" , "Blatant" .)
'downright' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for absolute that I've seen before include "Unqualified; Sheridan's Sir Anthony" , "Sheer, utter or not limited" , "Unlimited; not relative" , "Unlimited (power)" , "unrestricted by constitutional checks" .)