[f. as prec. + -ING2.] That jumbles, in senses of the verb.
1678. Norris, Coll. Misc. (1687), 172. As ridiculous as to think to write streight in a jumbling Coach.
1748. Mrs. Delany, Autobiog. & Corr. (1861), II. 489. Very jumbling roads.
1845. R. Brown, in Mem., iii. (1866), 56. A rumbling, tumbling, jumbling sea.
Hence Jumblingly adv.
1820. Wainwright, Ess. & Crit. (1880), 71. And Jarvey jolts Janus jumblingly over the stones.