Easily broken into small fragments or reduced to powder:
— Crumbly cookies.

synonym: friable.

Roget 330: 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 etc. v.; attrite^†; in pieces.    ... show more

Polish: chrupki