| declining(mean, weak, down, ill, sick) |
| decrepitude(noun, disorder, weakness, fault, illness) |
| defect(noun, disorder, weakness, fault, illness) |
| defective(mean, weak, down, ill, green) |
| deficiency(noun, disorder, weakness, fault, illness) |
| dilute |
| disability(noun, disorder, disease, weakness, collapse) |
| disastrous(adjective, unsuccessful) |
| discommoding |
| diseasedness(noun, disorder, disease, weakness, collapse) |
| disordered(mean, weak, down, ill, sick) |
| disturbance(noun, disorder, disease, collapse, sickness) |
| dizzy |
| dopey(adjective, weak, thin, delicate, shaky) |
| dose(disorder, disease, collapse, disturbance, sickness) |
| down with(expression, adjective, sick, infirm, unwell) |
| dragging(weak, thin, ill, sick, feeble) |
| drooping(unhealthy, unfit, shabby, dingy, sordid) |
| droopy(shabby, tacky, dingy, sordid, squalid) |
| emasculated(adjective, weak, thin, delicate, shaky) |