| bush(verb, worry, fail, strain, annoy) |
| chagrin(noun, trouble, worry, anxiety, confusion) |
| collapse(verb, fail, strain, annoy, irritate) |
| colorlessness(noun, routine, dullness, tedium, monotony) |
| complaint(noun, worry, anxiety, disappointment, unhappiness) |
| continuance(noun, routine, dullness, tedium, monotony) |
| continuity(noun, routine, dullness, tedium, monotony) |
| crawl(verb, worry, fail, strain, annoy) |
| debilitate(verb, worry, fail, strain, annoy) |
| debilitation(noun, weariness) |
| deferral(noun, depression, inactivity, laziness, inertia) |
| deject(verb, worry, fail, strain, annoy) |
| deliquescence(noun, depression, inactivity, laziness, inertia) |
| depress(verb, worry, fail, strain, annoy) |
| detachment(noun, melancholy, dullness, apathy, indifference) |
| disapproval(noun, worry, anxiety, disappointment, unhappiness) |
| disfavor(noun, worry, anxiety, disappointment, unhappiness) |
| dishearten(verb, worry, fail, strain, annoy) |
| disheartenment(noun, dejection) |
| disinclination(noun, worry, anxiety, disappointment, unhappiness) |