Crossword Genius

Diabolical elfin ran off (8)

Ross

I believe the answer is:

infernal

'diabolical' is the definition.
(I know that diabolical can be written as infernal)

'elfin ran off' is the wordplay.
'off' is an anagram indicator.
'elfin'+'ran'='elfinran'
'elfinran' anagrammed gives 'INFERNAL'.

(Other definitions for infernal that I've seen before include "awful" , "Of the nether regions" , "Feral inn - it's hellish" , "Blessed; damned" , "To do with hell and its fires" .)

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