To break into separate parts, usually because something is old, weak, or damaged.
My old shoes are starting to fall apart after years of use.
A: Why are you throwing that bag away? B: It's falling apart—the handle just came off.
During the move, some of our boxes fell apart because they were too full.
Common mistake
✗The bag fell apart into pieces.
✓The bag fell apart.
'Fall apart' already means break into pieces — 'into pieces' is redundant.
Tell it apart
My old boots are falling apart.
literally coming to bits
I fell apart when I heard the news.
broke down emotionally
Use 'fall apart' when something breaks by itself, not when someone breaks it on purpose.'Break' can mean someone causes it; 'fall apart' means it happens naturally.
To lose control of your emotions and feel unable to deal with a situation.
She fell apart after hearing the bad news.
A: How's Tom doing since the accident? B: Honestly, he's really falling apart.
Some people fall apart under stress, while others manage to stay calm.
Common mistake
✗He fell apart himself after the breakup.
✓He fell apart after the breakup.
'Fall apart' is intransitive — no reflexive 'himself'.
Tell it apart
She fell apart when they split up.
couldn't cope emotionally
The marriage fell apart.
broke down / failed
Use 'fall apart' when someone gradually loses emotional control, not just a sudden reaction.'Break down' often means crying suddenly; 'fall apart' is more about not coping overall.
To stop working or fail completely, especially for plans, systems, or organizations.
The project fell apart when the team leader quit.
A: How did the event go? B: It fell apart—half the volunteers didn't show up.
If a business plan isn't realistic, it can quickly fall apart.
Common mistake
✗The deal fall apart at the end.
✓The deal fell apart at the end.
Past tense is 'fell apart', not 'fall apart'.
Tell it apart
The deal fell apart over money.
collapsed / failed
The deal fell through over money.
didn't happen as arranged
Use 'fall apart' when something fails because parts or people stop working together.'Fail' is general; 'fall apart' means things break down in different areas.