modified
breaking up, breaking down, falling to pieces, friable, fragile, brittle, crisp, short, frangible, apt to crumble, frail, crumbling, disintegrating, decayed, deteriorated, deteriorating, soft, corroded, rusted, rotted, oxidized, worn away, breakable, shivery, powdery, eroded, disintegrated, tumbling down; see also broken 1, decaying, gritty 1.
Antonyms sturdy, firm*, solid.
