cryptic
adjective
UK/ˈkrɪp.tɪk/
US/ˈkrɪp.tɪk/
Definitions of cryptic adjective
having a meaning that is mysterious or obscure; difficult to understand.
His answer was cryptic, and I couldn't understand it.
The clues in this puzzle are very cryptic.
She always prefers to express her ideas in a cryptic way.