| kink(noun, weakness, crack, fault, blemish) |
| lack(noun, difficulty, weakness, skill, failure) |
| limitation(noun, difficulty, weakness, fault, failing) |
| puniness(noun, strong, disorder, weakness, condition) |
| slenderness(noun, beauty, refinement, delicacy, elegance) |
| slightness |
| soft spot(noun, expression, weak, weakness, fault) |
| spinelessness |
| washiness(noun, weak, sick, unhealthy) |
| wasting(noun, weak, sick, unhealthy) |
| weak side(noun, expression, idiom, weakness, failing) |
| airiness(noun, beauty, refinement, delicacy, elegance) |
| alternation(noun, anxiety, weakness, uncertainty, shake) |
| attenuation(noun, weakness, debilitation) |
| bad habit(expression, weakness, fault, shortcoming) |
| besetting sin(expression, idiom, vice) |
| breakability(noun, fragility, flimsiness, brittleness) |
| cachexia |
| catch(noun, weakness, crack, fault, failing) |
| changeableness(noun, anxiety, weakness, uncertainty, shake) |