|Noah Webster's Dictionary|
1. (v. t.) To break into small pieces; to cause to fall in pieces.
2. (v. i.) To fall into small pieces; to break or part into small fragments; hence, to fall to decay or ruin; to become disintegrated; to perish.
Crumble (1 Occurrence)
Ezekiel 38:20 so that the fish of the sea, and the birds of the sky, and the animals of the field, and all creeping things who creep on the earth, and all the men who are on the surface of the earth, shall shake at my presence, and the mountains shall be thrown down, and the steep places shall fall, and every wall shall fall to the ground. (See NIV)