(a.) Rickety.

ablative battered beat-up beaten up bedraggled biodegradable blowzy broken-down careless chintzy corrosive crumbling damaged decayed decaying decomposable decomposing decrepit degradable derelict destroyed dingy disintegrable disintegrated disintegrating disintegrative disjunctive disruptive doddering down-at-heel drabbletailed draggled draggletailed dusty erosive faded frowzy frumpish frumpy fusty gone to seed groggy grubby impaired in rags in ruins informal injured loose lumpen marred messy mildewed moldering moldy moss-grown moth-eaten mussy musty negligent poky raddled ragged raggedy ramshackle ravaged resolvent ricketish rickety rocky ruined ruinous run-down rusty scraggly seedy separative shabby shaky shoddy slack slatternly slipshod sloppy slovenly slummy sluttish solvent sordid spidery spindly squalid stale tacky tattered teetering teetery threadbare time-scarred timeworn tottering tottery tumbledown unkempt unneat unsightly unsteady untidy wobbly worn wrecked