Meaning of the word "fall out with" in English

What does "fall out with" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fall out with

US /fɔːl aʊt wɪð/
UK /fɔːl aʊt wɪð/

Phrasal Verb

to have an argument with someone so that you are no longer friendly with them

Example:
I had a big argument with my brother and we fell out with each other.
They fell out with their neighbors over a boundary dispute.