Synonyms of crumble in English:

crumble


See US English definition of crumble

See UK English definition of crumble

See Spanish definition of desmenuzar

verb

1‘the building is crumbling away’

SYNONYMS
disintegrate, fall down, fall to pieces, fall apart, collapse, break down, break up, tumble down, fragment
decay, fall into decay, deteriorate, degenerate, go to rack and ruin, decompose, rot, rot away, come apart at the seams, moulder, perish, come to dust

2‘she crumbled the dry earth into fine powdery dust’

SYNONYMS
crush, grind, break up, pulverize, pound, powder, granulate, fragment
technical triturate, comminute
archaic levigate, bray, powderize