tum·ble·down 
(tŭmbəl-doun′)
(tŭmbəl-doun′)adj.
Being in such bad repair as to seem in danger of collapsing; very dilapidated or rickety: a tumbledown shack.
- ultimatum
- ultimo
- ultra
- ultra-
- ultrabasic
- ultracentrifugal
- ultracentrifugally
- ultracentrifugation
- ultracentrifuge
- ultraconservatism
- ultraconservative
- ultradian
- ultrafiltration
- ultrahigh
- ultrahigh frequency
- ultraism
- ultraist
- ultraliberal
- ultralight
- ultralow frequency
- ultraluxe
- ultramafic
- ultramarathon
- ultramarathoner
- ultramarine