| flimsiness(noun, strong, disorder, weakness, condition) |
| unsubstantiality(noun, strong, disorder, weakness, condition) |
| weakness(noun, strong, disorder, informal, condition) |
| delicacy(noun, strong, disorder, weakness, condition) |
| frailty(noun, strong, disorder, weakness, condition) |
| infirmity(noun, strong, weakness, condition, failing) |
| unsoundness(noun, strong, disorder, weakness, condition) |
| debility(noun, strong, weakness, condition, failing) |
| feebleness(noun, strong, disorder, weakness, condition) |
| puniness(noun, strong, weakness, condition, failing) |
| decrepitude(noun, strong, weakness, condition, failing) |
| deficiency(noun, weakness, failing, infirmity, fragility) |
| fragility(noun, strong, disorder, weakness, condition) |
| frailness(noun, strong, disorder, weakness, condition) |
| immateriality(noun, intangibility, imperceptibility) |
| instability(noun, fragility, flimsiness, brittleness) |
| weakliness(noun, strong, weakness, condition, failing) |
| ailment(noun, weakness, failing, infirmity, fragility) |
| airiness |
| defect(noun, weakness, failing, infirmity, fragility) |