|part of speech:
||crumbles, crumbling, crumbled
||to break or crush into bits or crumbs.
He crumbled the cracker into his soup.
||to fall into small bits; decay.
That castle crumbled a long time ago.
- similar words:
- decay, decompose, disintegrate
||chip, chop, collapse, crush, disintegrate, give way, grind, smash