From Longman Dictionary of Contemporary Englishfall out phrasal verb1 ARGUEto have a quarrel with Carrie’s always falling out with people.2 SEPARATEif a tooth or your hair falls out, it is then no longer attached to your body The drugs made her hair fall out.3 PMif soldiers fall out, they stop standing in a line and move away to different places → fall→ See Verb table
Examples from the Corpus
fall out• It was the first time Bill and I had fallen out.• I didn't think it was worth falling out over, but Emily obviously did.• They fell out over some stupid little issue.• Jung and Freud fell out when Jung disagreed with some of Freud's central theories.• Maria fell out with some of her colleagues and decided to look for a new job.• She fell out with some of her school friends.• She was fired from the Broadway production after a highly-publicized falling-out with Weber.fall with• We had a falling out after he asked me to lie for him.• What'd he do - start a new cult when he fell out with Crowley?• The migrants fell out with each other; they had to endure the arrival of sects and individualists.• But he had an immense capacity for rows, and fell out with everybody sooner or later.• Often they've fallen out with family and have nowhere to live.• I think she's fallen out with her boyfriend.• Walker has recently fallen out with his publisher.• We heard you had a falling out with that young man.• Murray left the company after he fell out with the chairman over his salary.• Servants often run off if they don't like their mistress, or fall out with the rest of the staff.• Discs must fall out with their artists as much as anyone else, I reason, but this idea produces the Go!• What if you fall out with your partner or fellow shareholders? 