rickety, shaky, wobbly, wonky -- (inclined to shake as from weakness or defect; "a rickety table"; "a wobbly chair with shaky legs"; "the ladder felt a little wobbly"; "the bridge still stands though one of the arches is wonky")
rickety, rachitic -- (affected with, suffering from, or characteristic of rickets; "rickety limbs and joints"; "a rachitic patient")