Word Study
crumbly
OXFORD DICTIONARY
crumbly, adj. (crumblier, crumbliest) consisting of, or apt to fall into, crumbs or fragments.
Derivative
crumbliness n.
THESAURUS
crumbly
breakable, brittle, brittle as glass, cheap-jack, cobwebby, crackable, crimp, crisp, crispy, crump, crushable, dainty, delicate, delicately weak, effeminate, fissile, flimsy, fracturable, fragile, frail, frangible, friable, gimcrack, gimcracky, gossamery, jerry, jerry-built, lacerable, light, lightweight, namby-pamby, papery, pasteboardy, pulverizable, pulverulent, puny, rubbery, scissile, shatterable, shattery, shivery, sissified, sleazy, slight, splintery, tacky, triturable, unsubstantial, vulnerable, wispy, womanishROGET THESAURUS
crumbly
Pulverulence
N powderiness, pulverulence, sandiness, efflorescence, friability, powder, dust, sand, shingle, sawdust, grit, meal, bran, flour, farina, rice, paddy, spore, sporule, crumb, seed, grain, particle, limature, filings, debris, detritus, tailings, talus slope, scobs, magistery, fine powder, flocculi, smoke, cloud of dust, cloud of sand, cloud of smoke, puff of smoke, volume of smoke, sand storm, dust storm, pulverization, comminution, attenuation, granulation, disintegration, subaction, contusion, trituration, levigation, abrasion, detrition, multure, limitation, tripsis, filing, mill, arrastra, gristmill, grater, rasp, file, mortar and pestle, nutmeg grater, teeth, grinder, grindstone, kern, quern, koniology, powdery, pulverulent, granular, mealy, floury, farinaceous, branny, furfuraceous, flocculent, dusty, sandy, sabulous, psammous, arenose, arenarious, arenaceous, gritty, efflorescent, impalpable, lentiginous, lepidote, sabuline, sporaceous, sporous, pulverizable, friable, crumbly, shivery, pulverized, attrite, in pieces.For further exploring for "crumbly" in Webster Dictionary Online