| nullify(verb, stop, halt, curb, prevent) |
| obscure(upset, trouble, disturb, confuse, baffle) |
| offend(verb, trouble, hurt, distress, sadden) |
| outwit(verb, stop, halt, curb, distress) |
| overturn(verb, cross, frustrate, blank, thwart) |
| pain(verb, upset, trouble, hurt, bother) |
| parry |
| plague(verb, upset, trouble, bother, disturb) |
| pother(verb, trouble, hurt, bother, disturb) |
| psych(verb, upset, trouble, hurt, bother) |
| riddle |
| ruin(verb, cross, frustrate, blank, thwart) |
| spook(verb, upset, trouble, hurt, bother) |
| stonewall(verb, block, delay, curb, hinder) |
| stop(verb, halt, block, delay, curb) |
| stymie(verb, stop, halt, block, delay) |
| subdue(verb, cross, frustrate, blank, thwart) |
| tease(verb, upset, trouble, bother, disturb) |
| terrorize(verb, upset, bother, disturb, worry) |
| torment(verb, upset, trouble, bother, disturb) |