fall out

US /fɔːl aʊt/
UK /fɔːl aʊt/
"fall out" picture
1.

to argue with someone and stop being friendly with them

:
They fell out over a trivial matter and haven't spoken since.
I don't want to fall out with my best friend.
2.

to happen or result in a particular way

:
Let's see how things fall out.
No matter how it falls out, we'll deal with it.
3.

to lose hair, teeth, or leaves

:
His hair started to fall out after the chemotherapy.
The leaves fall out in autumn.