cryptic
/ˈkrɪptɪk/Definitions
1. adjective
difficult to understand; mysterious or ambiguous
“The professor’s cryptic comment left the students confused about the assignment.”
2. noun
a person or thing that is mysterious or enigmatic
“The artist’s latest sculpture was a cryptic statement about modern society.”
3. adverb
in a mysterious or ambiguous way
“The detective approached the case cryptically, following a trail of subtle clues.”