Secret (6)
'secret' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for arcane that I've seen before include "Abstruse, mysterious" , "Mysterious, secret or obscure" , "deep" , "Secret, hidden" , "Ace ran, being mysterious" .)
'secret' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for covert that I've seen before include "Undercover, secret" , "Concealed, like fox's lair" , "Secret like fox's lair" , "Concealed - flock of coots" , "Concealed like fox's liar" .)
'secret' is the definition.
(I know that secret can be written as hush-hush)
This is the entire clue.
(Other definitions for hush-hush that I've seen before include "Highly confidential" , "Cloak-and-dagger, secret" , "Highly secret" , "Very secret - say it twice" , "Informally kept very secret - twice?" .)
'secret' is the definition.
(I know that secret can be written as private)
This is the entire clue.
(Other definitions for private that I've seen before include "Whispered" , "Not openly shared" , "Army rank; secluded" , "One's own" , "Soldier; personal" .)
'secret' is the definition.
(I know that secret can be written as mystery)
This is the entire clue.
(Other definitions for mystery that I've seen before include "Type of play" , "Enigma; obscurity" , "Something baffling" , "associated with Macavity" , "thriller" .)
'secret' is the definition.
(I know that secret can be written as confidential)
This is all the clue.
(Other definitions for confidential that I've seen before include "not expecting publication" , "Intended to be kept secret" , "Graham Greene's agent" , "Inflicted on a (anag) - private" , "Like T.S. Eliot's clerk" .)