| overwork(verb, worry, fail, strain, annoy) |
| pain(verb, upset, bother, worry, fail) |
| perturb(verb, upset, trouble, dull, reduce) |
| plague(verb, upset, bother, annoy, provoke) |
| preclude(verb, stop, prevent, hinder, depress) |
| press(verb, upset, trouble, dull, reduce) |
| prohibit(verb, stop, prevent, hinder, depress) |
| prostrate(verb, worry, fail, strain, annoy) |
| put a damper on(verb, expression, idiom, phrasal verb, upset) |
| rattle(verb, upset, bother, disturb, provoke) |
| repress(verb, suppress, dominate, coerce, subjugate) |
| sap(verb, upset, trouble, dull, reduce) |
| scare(verb, upset, bother, disturb, worry) |
| sicken(verb, upset, worry, fail, strain) |
| sorrow(noun, verb) |
| startle(verb, upset, bother, worry, provoke) |
| stifle(verb, de-motivate) |
| stop(verb, hold, prevent, obstruct, thwart) |
| strain(verb, worry, fail, annoy, suppress) |
| subdue(verb, annoy, suppress, harass, depress) |