crumble
A. -transitive verb
[+bread] desmigar, desmigajar
[+earth, cheese etcetera] desmenuzar
B. -intransitive verb
1. [bread] desmigarse, desmigajarse
[earth, cheese etcetera] desmenuzarse
[building, plaster etcetera] desmoronarse
2. (figurative)
[hopes, power, self-confidence] desmoronarse, venirse abajo
[coalition] venirse abajo, derrumbarse