• to decay, to disintegrate, to dissolve, to fall asunder, to go to pieces, to resolve
• to decay, to decline, to deteriorate, to fall off
• to cave in, to close in, to crash in, to fall down, to fall in, to fall, fell, fallen, to founder
• to addle, to break down, to crap out, to go bad, to go on the fritz, to go phut, to go wrong
• to come loose, to come unbound, to come undone, to come unstitched, to get loose, to loosen, to unravel, to untwist
• to break up, to come undone, to decompose, to disintegrate, to loosen, to part, to run, ran, run, to split up, to unravel
• to addle, to blow, blew, blown, to corrupt, to deteriorate, to go bad, to go off, to go pot, to perish, to spoil, spoilt, to taint
• to come undone, to decompose
• to break down, to collapse, to crack up, to crash, to crash down, to fall to the ground, to fold up
• to be madly in love with sy, to be passionately fond of sy
• to split, to split, split