enigmatic = mysterious, puzzling, hard to understand
She smiled that enigmatic smile again
The enigmatic stranger left behind a trail of unanswered questions that puzzled the town's residents.
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.
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
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.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.
Need a sentence using the word crater?