vex

[1]	annoy , rag , get to , bother , get at , irritate , rile , nark , nettle , gravel , chafe , devil
[2]	worry
[3]	agitate , disturb , commove , shake up , stir up , raise up
[4]	perplex , stick , get , puzzle , mystify , baffle , beat , pose , bewilder , flummox , stupefy , nonplus , gravel , amaze , dumbfound