THESAURUS
melt away
abate, ablate, bate, be annihilated, be consumed, be destroyed, be eaten away, be gone, be no more, be wiped out, cease, cease to be, cease to exist, consume, consume away, corrode, crumble, decline, decrease, deliquesce, dematerialize, depart, die, die away, die out, diminish, disappear, dispel, disperse, dissipate, dissolve, dive, do a fade-out, drop, drop off, dwindle, ebb, erode, evanesce, evaporate, exit, expire, fade, fade away, fade out, fall, fall away, fall off, flee, fly, go, go away, hide, languish, leave no trace, leave the scene, lessen, let up, melt, pass, pass away, pass out, perish, peter out, plummet, plunge, retire from sight, run low, sag, shrink, sink, sink away, subside, suffer an eclipse, tail off, vanish, vanish from sight, wane, waste, waste away, wear, wear away
ROGET THESAURUS
melt away
Inexistence
VB
not exist, have no existence, be null and void, cease to exist, pass away, perish, be extinct, become extinct, die out, disappear,
melt away, dissolve, leave not a rack behind, go, be no more, die, annihilate, render null, nullify, abrogate, destroy, take away, remove, obliterate, extirpate.
Unsubstantiality
VB
vanish, evaporate, fade, dissolve,
melt away, disappear.
Waste
VB
spend, expend, use, consume, swallow up, exhaust, impoverish, spill, drain, empty, disperse, cast away, fool away, muddle away, throw away, fling away, fritter away, burn the candle at both ends, waste, squander, waste its sweetness on the desert air, cast one's bread upon the waters, cast pearls before swine, employ a steam engine to crack a nut, waste powder and shot, break a butterfly on a wheel, labor in vain, cut blocks with a razor, pour water into a sieve, leak, run to waste, ebb,
melt away, run dry, dry up.
Decrease
VB
decrease, diminish, lessen, abridge, shrink, drop off, fall off, tail off, fall away, waste, wear, wane, ebb, decline, descend, subside,
melt away, die away, retire into the shade, hide its diminished head, fall to a low ebb, run low, languish, decay, crumble, bate, abate, dequantitate, discount, depreciate, extenuate, lower, weaken, attenuate, fritter away, mitigate, dwarf, throw into the shade, reduce, shorten, subtract.
Disappearance
VB
disappear, vanish, dissolve, fade,
melt away, pass, go, avaunt, evaporate, vaporize, be gone, leave no trace, leave 'not a rack behind', go off the stage, suffer an eclipse, undergo an eclipse, retire from sight, be lost to view, pass out of sight, lose sight of, efface.