| damp(upset, depress, extinguish, dishearten, undermine) |
| dampen(upset, depress, extinguish, dishearten, undermine) |
| daunt(upset, depress, extinguish, dishearten, undermine) |
| debilitate(upset, depress, extinguish, dishearten, undermine) |
| deject(upset, depress, extinguish, dishearten, undermine) |
| dement(verb, upset, disturb, worry, wreck) |
| demoralise |
| depress(verb, upset, disturb, weaken, discourage) |
| deranging |
| descend(verb, drop, slip, dip, plunge) |
| destroy(verb, upset, disorder, ruin, spoil) |
| dip(verb, drop, slip, plunge, descend) |
| discombobulate(disorder, disturb, agitate, arrangement, involve) |
| discommode(verb, upset, disturb, worry, wreck) |
| discontinue |
| discountenance(upset, trouble, bother, disturb, confuse) |
| discourage(verb, upset, disturb, weaken, depress) |
| discreate(confuse, mistake, involve, confound, muddle) |
| disestablish(verb, move, disturb, shift, lose) |
| dishearten(upset, depress, extinguish, undermine, dispirit) |