| adjective | inclined to shake as from weakness or defect “a rickety table” |
| adjective | affected with, suffering from, or characteristic of rickets “rickety limbs and joints” |
| adjective | lacking bodily or muscular strength or vitality “a feeble old woman” |
| ricketiness | noun | the quality of not being steady or securely fixed in place |
| shake | noun | a reflex motion caused by cold or fear or excitement |
| shakiness | noun | a shaky motion |
| wobble | noun | an unsteady rocking motion |
| rachitis | noun | inflammation of the vertebral column |
| debility | noun | the state of being weak in health or body (especially from old age) |
| feebleness | noun | the state of being weak in health or body (especially from old age) |
| infirmity | noun | the state of being weak in health or body (especially from old age) |
| weakness | noun | the property of lacking physical or mental strength; liability to failure under pressure or stress or strain |