crumble

Từ điển American Heritage Dictionary 4th

crum·ble (krŭmʹbəl)v. crum·bled, crum·bling, crum·blesv. tr.
To break into small fragments or particles.v. intr.
1. To fall into small fragments or particles; disintegrate. See Synonyms at decay.
2. To give way; collapse:
an ego that crumbles under pressure.n.
A baked dessert of fruit topped with a crumbly pastry mixture:
cherry crumble. [Alteration (influenced by crumb), of Middle English cremelen from Old English *crymelen, frequentative of gecrymmian, to break into crumbs, from cruma, crumb.]

• Từ đồng nghĩa / Synonyms:
  decay, dilapidate, fall apart, crumple, tumble, break down, collapse