That's ___ that she didn't go directly home after work
odd
Something which is unusual or peculiar
Odd
Difficult or impossible to understand, explain, or identify.
Mysterious
Something unexpected and surprising
strange
Something which is confusing or enigmatic
Puzzling
Something confidential
A secret
There's a _____ lack of evidence in the case.
puzzling
Do you promise not to tell anybody this ____?
secret
David went outside to investigate the ________ scream
mysterious
Of unknown cause
Unexplained
Scientists have not ruled out the possibility of _________ life
extraterrestrial
The disappearance of that girl is still _______
unexplained
Something which is unfamiliar and from another planet
alien
One of the pastries had a ______ shape
strange
Something from outer space
Extraterrestrial
An _____ life form would be very exciting for scientists
alien