SYN
abash, addle, addle the wits, agitate, appall, astound, baffle, balk, ball up, becloud, bedazzle, befuddle, bewilder, blast, bother, brave, bug, cast down, chagrin, challenge, checkmate, circumvent, cloud, confound, confront, confuse, contravene, counter, counteract, countermand, counterwork, cross, dash, daze, dazzle, defeat, defy, destroy, discombobulate, discomfit, discompose, discountenance, dish, dismay, disorganize, disorient, disquiet, disrupt, disturb, electrify, elude, embarrass, entangle, faze, flummox, flurry, fluster, flutter, fog, foil, frustrate, fuddle, fuss, humiliate, jar, jolt, knock the chocks, maze, mist, mix up, moider, mortify, muddle, nonplus, perplex, perturb, pother, put out, puzzle, raise hell, rattle, rock, ruffle, ruin, sabotage, scotch, shake, shake up, shock, spike, spoil, stagger, stir, stonewall, stump, take aback, throw into confusion, thwart, trouble, unsettle, upset,