contract, slide, slump, break down, dismantle, slip, wane, weaken, sink, plummet, deteriorate, fizzle, tank, bottom out, compound, decline, plunge, flag, turn into/out, erode, degenerate, worsen, lapse into, strip of, take down/apart, devolve into, expunge, go downhill, go to pot, fade away/out

crack, flatten, droop, sag, shrivel, drop, stink, perish, die, decay, wither, wilt, putrefy, bow, rot, die back, bolt (to seed), dry out/up, give off (a rank odor), shed (its leaves), lose (its leaves)

break apart, chip, shed, slough off, fleck, scuff, fragment, flake, disintegrate, come apart, fall apart, crumble, corrode, molder, erode, splinter, decompose, rot, peel, fall down, break into (pieces), come off, sliver

pull, tear, rip, stretch out, shred, stain, break, catch, run, shrink, bleach, thin, fade, wash out, disintegrate, snag, dissolve, tatter, wear out, lose (elasticity/buttons), come apart (at the seams), fray, loosen (threads), stretch (fabric), pill

tear, rip, chip, crack, contract, scratch, bend, curl, snap, split, break down, break, scar, buckle, fade, crumple, yellow, blacken, dull, tarnish, weaken, discolor, oxidize, warp, fall apart, deteriorate, crumble, depreciate, rust, corrode, burn out, wear down, splinter, bow, contort, dry out, kink, wear out, fissure, fray, come apart/loose, degrade (in sunlight)

crack, droop, shrivel, break down, perish, die, age, shrink, bury, wane, weaken, sink, vanish, disappear, decay, disintegrate, deteriorate, succumb, fail, relapse, decline, expire, flag, mutate, wither (away), dissolve, degenerate, waste away, grow old, disfigure, rot, fade away, go limp, lose color, ossify, calcify, give up the ghost, pass away/on, buy the farm, cash in one's chips, kick the bucket, meet one's maker, lay down one's life, bite the big one, croak, atrophy, cremate