fall apart in WordNet English dictionary

1. become separated into pieces or fragments
   "The figurine broke"; "The freshly baked loaf fell apart"
   break  separate  split up  fall apart  come apart 
   
2. go to pieces
   "The lawn mower finally broke"; "The gears wore out"; "The old chair finally fell apart completely"
   break  wear  wear out  bust  fall apart 
   
3. break or fall apart into fragments
   "The cookies crumbled"; "The Sphinx is crumbling"
   crumble  fall apart 
   
4. lose one's emotional or mental composure
   "She fell apart when her only child died"
   fall apart  go to pieces 
   

fall apart in English Wiktionary