The old man gave the young girl a creepy, enigmatic smile.
enigmatic = mysterious, puzzling, hard to understandShe smiled that enigmatic smile again
The teacher's enigmatic grading system often left me with a headache that made it even more arduous for me to focus in his/her class.
Because of his reluctance to speak about himself, he remained quite enigmatic to people around him. Archaeologists learned little about the enigmatic predecessors of the Olmecs.
Most art critics agree that it is Mona Lisa's enigmatic (i.e. mysterious) smile that draws attention to the painting.
difficult to understand; enigmatic
Mysterious.
The mystical clearing in the enchanted forest was rumored to be very enigmatic.
Synonyms can include puzzling, mysterious, or unfathomable.
ENERGIZED ENTRANCES ENTHROPHY ENIGMATIC
Straightforward, apparent, clear, known, obvious, plain
Example sentence - He was enchanted with the tiny butterfly on the flower.
Enigmatic. Holy