| overturn(verb, cross, frustrate, blank, thwart) |
| perturb(verb, upset, trouble, disorder, bother) |
| perturbation |
| puzzlement |
| refute(verb, cross, frustrate, blank, thwart) |
| riddle |
| scramble(disorder, disturb, difficulty, confuse, jumble) |
| shake(verb, upset, bother, disturb, shock) |
| shame(verb, upset, trouble, bother, disturb) |
| spike |
| squash(verb, cross, frustrate, blank, thwart) |
| startle(verb, shock, confuse, shake, confound) |
| stonewall(block, hinder, impede, obstruct, frustrate) |
| throw off(verb, expression, upset, trouble, disorder) |
| undermine(upset, depress, alarm, extinguish, dishearten) |
| unhinge(verb, upset, trouble, bother, disturb) |
| unnerve(verb, upset, bother, disturb, shock) |
| unsettle(verb, upset, trouble, disturb, obscure) |
| abecedarian |
| affright(verb, upset, bother, disturb, shock) |