cryptically
Definitions
In a way that is mysterious or obscure in meaning.
In a manner that uses code or secret symbols.
Examples
The old man smiled cryptically before disappearing into the shadows of the alleyway.
She spoke cryptically about her plans for the future, leaving us all wondering what she truly intended.
The note was written cryptically, containing only a series of numbers and a single, faded symbol.
Synonyms
mysteriously enigmatically obscurely ambiguously vaguely arcane abstrusely
Antonyms
clearly plainly explicitly openly understandably lucidly transparently