Meaning : Be a mystery or bewildering to.
Example :
This beats me!.
Got me--I don't know the answer!.
A vexing problem.
This question really stuck me.
Synonyms :
amaze,
baffle,
beat,
bewilder,
dumbfound,
get,
gravel,
mystify,
nonplus,
perplex,
pose,
puzzle,
stick,
stupefy,
vex