Sphinxian (9)
I believe the answer is:
enigmatic
(Other definitions for enigmatic that I've seen before include "not obvious" , "Cryptic, mysterious" , "with a mystery ingredient" , "Hard to fathom" , "Difficult to interpret" .)
I believe the answer is:
enigmatic
(Other definitions for enigmatic that I've seen before include "not obvious" , "Cryptic, mysterious" , "with a mystery ingredient" , "Hard to fathom" , "Difficult to interpret" .)