| clutter(upset, trouble, obscure, confuse, baffle) |
| complicate(verb, upset, trouble, dull, bother) |
| concern(verb, agitate, vex) |
| cow(upset, worry, shock, agitate, discourage) |
| curdle the blood(expression, idiom, upset, shock, agitate) |
| cut(verb, separate) |
| darken(upset, trouble, obscure, confuse, baffle) |
| daze(upset, trouble, obscure, confuse, baffle) |
| deaden |
| debate(verb, trouble, disturb, excite, confuse) |
| debilitate(verb, trouble, hurt, bother, disturb) |
| depress(verb, upset, bother, provoke, excite) |
| derail(disturb, wreck, disrupt) |
| deter(upset, worry, shock, agitate, discourage) |
| detract(trouble, disturb, confuse, entertain, divert) |
| disaffiliate(verb, separate) |
| disappoint(verb, upset, trouble, hurt, bother) |
| disassemble(verb, separate) |
| disassociate(verb, separate) |
| disburb(upset, worry, shock, agitate, discourage) |