deride, gibe (or jibe), jeer, mock, ridicule

annoy, bother, bug, burn (up), chafe, fret, frost, gall, get, gnaw (at), grate, gripe, hack (off), hagride, irk, irritate, itch, nag, nark [British], nettle, peeve, pester, pique, put out, rasp, rile, ruffle, spite, trouble, vex

aggravate, exasperate, goad, test, try

aggrieve, agitate, bedevil, beleaguer, discomfort, disturb, perturb

badger, dog, hound

browbeat, bully, hector

harass, harry, persecute, plague, terrorize, torment, torture