CRUMBLE

v. 1. крошиться; осыпаться; обваливаться (тж. crumble away) The government closed the cave to protect the ancient pointings, which were beginning to crumble away when open to the air. It is not safe to visit the stone temples of the ancient civilization; after 3,000 years they are crumbling away. 2. крошить, раздроблять, толочь, растирать (в порошок) (тж. crumble up) Crumble up these pieces of bread and give them to the ducks. 3. распадаться, разрушаться, гибнуть (часто crumble away) his hopes have crumbled to nothing - его надежды рухнули