modified
bursting, splitting, cracking, rending, riving, sundering, parting, severing, dissevering, exploding, erupting, shattering, splintering, fracturing, tearing, cleaving, snapping, separating, smashing, shivering, crashing, disintegrating, crumbling, collapsing, caving in, falling, dispersing, busting*, going to pot*.
Antonyms enduring, strong*, stable.