madden - drive up the wall; go on someone's nerves

beset, chevvy, chevy, chivvy, chivy, harass, harry, hassle, molest, plague, provoke - annoy continually or chronically; "He is known to harry his staff when he is overworked"; "This man harasses his female co-workers"

hamstring - make ineffective or powerless; "The teachers were hamstrung by the overly rigid schedules"

badger, beleaguer, bug, pester, tease - annoy persistently; "The children teased the boy because of his stammer"

persecute, oppress - cause to suffer; "Jews were persecuted in the former Soviet Union"

demoralize - confuse or put into disorder; "the boss's behavior demoralized everyone in the office"

bewilder, dumbfound, flummox, baffle, mystify, nonplus, perplex, puzzle, stupefy, amaze, gravel, vex, pose, stick, beat, get - be a mystery or bewildering to; "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"

disconcert, flurry, confuse, put off - cause to feel embarrassment; "The constant attention of the young man confused her"

disorient, disorientate - cause to be lost or disoriented

be - have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"