lose one's emotional or mental composure; "She fell apart
when her only child died" Synonym(s):fall apart, go to pieces
go to pieces; "The lawn mower finally broke"; "The gears wore out"; "The old chair finally fell apart completely" Synonym(s):break, wear, wear out, bust, fall apart
break or fall apart into fragments; "The cookies crumbled"; "The Sphinx is crumbling" Synonym(s):crumble, fall apart