shift, swing, surprise, alternate, fluctuate, waver, oscillate, deviate, change, reverse, vary, rise and fall, go up and down, see-saw, flip-flop, deviate from, diverge from, yo-yo, differ, go back and forth

slide, shift, swing, tend, alter, subside, fluctuate, turn, vacillate, lose, change, move, reverse, become, vary

disorient, subvert, burden, disturb, derail, discombobulate, shock, unnerve, destabilize, corrupt, chip away at, beat into submission, jangle, derange, saddle (with disturbing imagery), threaten (one's sanity/life), weaken (a will to live), undermine (one's trust in the world), unbalance

assault, stab, sicken, curse, slur, swear, insult, humiliate, disgust, nauseate, turn off, outrage, wound, antagonize, rub the wrong way, offend, gross out, tread on someone's toes, affront, hurt someone's feelings, add insult to injury, spit daggers, rub salt in a wound, blaspheme, cuss, ruffle someone's feathers

jolt, worry, stun, startle, scramble, distract, cloud, hoodwink, mislead, fool, vex, confuse, confound, stupefy, nonplus, disorient, bewitch, overwhelm, disturb, stump, puzzle, jumble, discombobulate, shock, flummox, astound, unnerve, flabbergast, daze, faze, floor, alarm, destabilize, scare, alert, distress, unsettle, disconcert, discomfit, perturb, jangle, throw someone off balance, test (someone's assumptions), discompose, subject to

jar, gnaw, jolt, bother, rattle, agitate, startle, blot out, pique, muddle, baffle, vex, trouble, trip up, disturb, boggle, astonish, dumbfound, unnerve, upset, rankle, jostle, inflame, horrify, alienate, appall, gall, aggravate, exasperate, disconcert, discomfit, mortify, irritate, drive to distraction, get someone's goat, peeve, try someone's patience, rub the wrong way, miff, jangle, make someone's blood boil, evoke (a strong reaction), get someone's dander up, ruffle someone's feathers, make someone's hackles rise, discomfort