| drag(verb, upset, trouble, dull, reduce) |
| drag down(verb, expression, upset, distress, depress) |
| drain(verb, upset, trouble, dull, reduce) |
| droop(verb, fail, strain, annoy, depress) |
| drop(verb, fail, strain, annoy, exhaust) |
| dumbfound(verb, upset, bother, disturb, shock) |
| dump on(verb, expression, dismiss, criticize, scorn) |
| encumber(verb, strain, annoy, suppress, subdue) |
| ennui(verb, worry, fail, strain, annoy) |
| exasperate(verb, worry, fail, strain, annoy) |
| exhaust(verb, fail, strain, annoy, drain) |
| fag(verb, worry, fail, strain, annoy) |
| fail(verb, strain, annoy, irritate, exhaust) |
| faint(verb, fail, strain, annoy, irritate) |
| fall |
| fatigue(verb, worry, fail, strain, annoy) |
| faze(verb, upset, trouble, dull, reduce) |
| flag(verb, fail, strain, annoy, exhaust) |
| flatten |
| flummox(verb, upset, bother, disturb, shock) |