Synonyms and related words :
battered, beat-up, beaten up, broken-down, collapsing, crumbling, deciduous, declining, declivitous, decrepit, decurrent, derelict, descendant, descending, dilapidated, disintegrating, doddering, down, down-reaching, downcoming, downfalling, downgoing, downhill, downsinking, downward, drooping, dropping, falling, groggy, in ruins, on the descendant, on the downgrade, plummeting, plunging, ramshackle, ricketish, rickety, rocky, ruined, ruinous, run-down, sagging, setting, shaky, sinking, slummy, spidery, spindly, submerging, subsiding, teetering, teetery, tottering, tottery, unsteady, wobbly