1.  fall apart(v = verb.emotion) go to pieces - lose one's emotional or mental composure; "She fell apart when her only child died"
is one way to break down, lose it, snap
Sample sentences: Somebody ----s

2.  fall apart(v = verb.contact) break, bust, wear, wear out - go to pieces; "The lawn mower finally broke"; "The gears wore out"; "The old chair finally fell apart completely"
is one way to crumble, decay, dilapidate
Sample sentences: Something ----s

3.  fall apart(v = verb.change) crumble - break or fall apart into fragments; "The cookies crumbled"; "The Sphinx is crumbling"
is one way to disintegrate
Sample sentences: Something ----s; Something is ----ing PP

4.  fall apart(v = verb.change) break, come apart, separate, split up - become separated into pieces or fragments; "The figurine broke"; "The freshly baked loaf fell apart"
is one way to change integrity
Sample sentences: Something ----s

N  destruction, waste, dissolution, breaking up, diruption, disruption, consumption, disorganization, fall, downfall, devastation, ruin, perdition, crash, eboulement, smash, havoc, delabrement, debacle, break down, break up, fall apart, prostration, desolation, bouleversement, wreck, wrack, shipwreck, cataclysm, washout, extinction, annihilation, destruction of life, knock-down blow, doom, crack of doom, destroying, demolition, demolishment, overthrow, subversion, suppression, abolition, biblioclasm, sacrifice, ravage, razzia, inactivation, incendiarism, revolution, extirpation, beginning of the end, commencement de la fin, road to ruin, dilapidation, sabotage, destroyed, perishing, trembling to its fall, nodding to its fall, tottering to its fall, in course of destruction, extinct, all-destroying, all-devouring, all-engulfing, destructive, subversive, ruinous, devastating, incendiary, deletory, destroying, suicidal, deadly, with crushing effect, with a sledge hammer, delenda est Carthago, dum Roma deliberat Saguntum perit, ecrasez l'infame.

apart, break apart, come apart, drift apart, fall, fall all over, fall armyworm, fall asleep, fall away, fall back, fall behind, fall by the wayside, fall cankerworm, fall dandelion, fall down, fall equinox, fall flat, fall for, fall from grace, fall guy, fall in, fall in line, fall in love, fall in with, fall into, fall into place, fall of man, fall off, fall open, fall out, fall over, fall over backwards, fall short, fall short of, fall through, fall to, fall to pieces, fall under, fall upon, fall webworm, free fall, keep apart, know apart, pick apart, poles apart, set apart, stand apart, take apart, taking apart, tear apart, tease apart, tell apart, worlds apart