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

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More