Abstruse (8)
'abstruse' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for arcane that I've seen before include "Mysterious, understood by few" , "cryptic" , "Abstruse, mysterious" , "Requiring secret or mysterious knowledge" , "Mysterious, secret or obscure" .)
'abstruse' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for obscure that I've seen before include "Not clearly expressed" , "Vague - mask" , "Cloudy or veiled" , "Dull or impenetrable" , "Not clear, indistinct" .)
'abstruse' is the definition.
(I know that abstruse can be written as deep)
This is the entire clue.
(Other definitions for deep that I've seen before include "down a long way" , "Mysterious" , "Heartfelt" , "Wise - difficult to understand" , "Cavernous" .)
'abstruse' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for esoteric that I've seen before include "Private, confined to a select group" , "Aimed at a few" , "of rarefied tastes" , "Secret, mysterious" , "Secret, private" .)
'abstruse' is the definition.
(I know that abstruse can be written as recondite)
This is all the clue.
(Other definitions for recondite that I've seen before include "Enigmatic" , "not widely known" , "Mysterious" , "Difficult to understand" , "Abstruse" .)