crumble

Universal Words verb, noun verb 1 to break or break sth into very small pieces: [V] Rice flour makes the cake less likely to crumble. * [VN] Crumble the cheese over the salad. 2 [V] if a building or piece of land is crumbling, parts of it are breaking off: buildings crumbling into dust * crumbling stonework * The cliff is gradually crumbling away. * They live in a crumbling old mansion. 3 [V] ~ (into / to sth)