ramshackle (adj.)

• battered
• beat-up
• broken-down
• decrepit
• derelict
• dilapidated
• doddering
• flimsy
• groggy
• insubstantial
• jerry-built
• neglected
• rickety
• rocky
• ruined
• ruinous
• run-down
• shaky
• slummy
• spidery
• spindly
• tottering
• tottery
• unstable
• unsteady
• unsubstantial
• wobbly