Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fall out”

fall out

verb uk phrasal verb with fall   /fɔːl/ us    /fɑːl/ (fell, fallen)

(TOOTH/HAIR)

If a tooth or your hair falls out, it becomes loose and separates from your mouth or head: Her baby teeth are starting to fall out. A side effect of the treatment is that your hair starts to fall out.

(ARGUE)

B2 informal to argue with someone and stop being friendly with them: He left home after falling out with his parents. She'd fallen out with her boyfriend over his ex-girlfriend.

(SOLDIERS)

If soldiers fall out, they move out of a line: "Fall out, men!" shouted the sergeant-major.
Compare
(Definition of fall out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of fall out?
Browse related topics

You are looking at an entry to do with Arguing & disagreeing, but you might be interested in these topics from the Expressing opposition & disapproval topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “fall out” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More