mysterious

Definitions

Difficult or impossible to understand, explain, or identify.

Suggesting or involving a sense of secrecy or enigma.

Examples

A mysterious figure stood under the flickering streetlight, watching the house.

The ancient map led the explorers to a mysterious cave hidden deep within the jungle.

Synonyms

enigmatic cryptic obscure puzzling arcane secretive inscrutable

Antonyms

obvious clear transparent evident plain understandable familiar