Synonyms of crumbling

1 Syllable
ruin
2 Syllables
run-down, branny, brittler, unfirm, breaking, rotten, falling, brittlest, decay, decaying, grinding, time-worn, cast-off, fecal, aging, beat-up, floury, musty, mustier, olden, castoff
3 Syllables
bad-smelling, fracturing, putrified, pustular, bone-crushing, ramshackle, purulent, spoilation, demode, putridness, dogeared, gravelly, spoilage, gangrene, powdery, dog-eared, untended, tumble-down, collapsing
4 Syllables
arenaceous, arenose, down-at-the-heel, overripe, uncared-for, putrefaction, putrescence, putridity
5 Syllables
deterioration, dilapidated, degringolade, disintegrating