a. rare. [f. TUMBLE v. + -Y.] Ready to tumble; tumble-down, ruinous.
c. 1855. Sir E. Burne-Jones, in Mackail, Life Morris (1899), I. 51. They were tumbly old buildings.
1872. Berkshire County Eagle, 20 June, 1/5. Cabbage roses clambering over tumbly-down cottages.