If a machine or a vehicle breaks down, it stops working.
Their car broke down. [VERBPARTICLE]
2. phrasal verb
If a discussion, relationship, or system breaks down, it fails because of a problem or disagreement.
Talks with business leaders broke down last night. [VERBPARTICLE]
Paola's marriage broke down. [VERBPARTICLE]
3. phrasal verb
To break down something such as an idea or statement means to separate it into smaller parts in order to make it easier to understand or deal with.
The report breaks down the results region by region. [VERBPARTICLE noun]
These rules tell us how a sentence is broken down into phrases. [beV-ed P + into]
[Also V n P + into]
4. phrasal verb
When a substance breaks down or when something breaks it down, a biological or chemical process causes it to separate into the substances which make it up.
Over time, the protein in the eggshell breaks down into its constituent amino acids. [VERBPARTICLE]
The oil is attacked by naturally occurring microbes which break it down. [VERB noun PARTICLE]
[Also VERBPARTICLE noun]
5. phrasal verb
If someone breaks down, they lose control of themselves and start crying.
Because he was being so kind and concerned, I broke down and cried. [VERBPARTICLE]
The young woman broke down in tears. [VERBPARTICLE]
6. phrasal verb
If you break down a door or barrier, you hit it so hard that it falls to the ground.
An unruly mob broke down police barricades and stormed the courtroom. [VERBPARTICLE noun]
Firefighters were called after his father failed to break the door down. [VERB noun PARTICLE]
7. phrasal verb
To break down barriers or prejudices that separate people or restrict their freedom means to change people's attitudes so that the barriers or prejudices no longer exist.
[approval]
His early experience enabled him to break down barriers between Scottish Catholicsand Protestants. [VERBPARTICLE noun]
[Also VERB noun PARTICLE]
8. See also breakdown, broken-down
More Synonyms of break down
See full dictionary entry for break
break down in British English
verb(adverb)
1. (intransitive)
to cease to function; become ineffective
communications had broken down
2.
to yield or cause to yield, esp to strong emotion or tears
she broke down in anguish
3. (transitive)
to crush or destroy
4. (intransitive)
to have a nervous breakdown
5.
to analyse or be subjected to analysis
6.
to separate or cause to separate into simpler chemical elements; decompose
7. (transitive) New Zealand
to saw (a large log) into planks
8. break it down
nounbreakdown
9.
an act or instance of breaking down; collapse
10. short for nervous breakdown
11.
an analysis or classification of something into its component parts
he prepared a breakdown of the report
12.
the sudden electrical discharge through an insulator or between two electrodes in a vacuum or gas discharge tube
13. electrical engineering
the sudden transition, dependent on the bias magnitude, from a high to a low dynamic resistance in a semiconductor device
14. rugby union
the period of play immediately after a tackle and before the formation of a ruck
15.
a lively American country dance
break down in American English
1.
to go out of working order
2.
to give way to tears or emotion
3.
to have a physical or nervous collapse
4.
to crush or overcome (opposition, etc.)
5.
to separate into parts; analyze
See full dictionary entry for break
Examples of 'break down' in a sentence
break down
Should Manfred ever break down in the wilderness he would always have a ready supply of kindling to hand for a warming campfire.
Mark Mills AMAGANSETT (2004)
In crime novels, the cops have a couple of suspects and then break down the door and arrest one.
Anita Anderson SUMMER OF SECRETS (2003)
Luther watched him a minute to see if he would break down, but he was resolute.
McCorquodale, Robin DANSVILLE
She'd sometimes heard people say that without magic the underground would break down forever.
various
In other languages
break down
British English: break down /breɪk daʊn/ VERB
If a machine or a vehicle breaks down, it stops working.
Their car broke down.
American English: break down
Arabic: يَتَعَطَّل
Brazilian Portuguese: falhar
Chinese: 坏掉了
Croatian: pokvariti se
Czech: porouchat se
Danish: bryde sammen
Dutch: kapot gaan
European Spanish: averiarse
Finnish: hajota
French: tomber en panne
German: kaputtgehen
Greek: παθαίνω βλάβη
Italian: guastarsi
Japanese: 故障する
Korean: 고장 나다
Norwegian: bryte sammen
Polish: zepsuć się
European Portuguese: falhar
Romanian: a se strica
Russian: ломать
Latin American Spanish: averiarse
Swedish: bryta samman
Thai: ใช้งานไม่ได้
Turkish: bozulmak
Ukrainian: ламатися
Vietnamese: hỏng
Chinese translation of 'break down'
break down
vi
[machine, car]坏(壞)掉 (huàidiào)
(Chem) 分解 (fēnjiě)
[person]情绪(緒)失控 (qíngxù shīkòng)
[talks]破裂 (pòliè)
vt
[figures, data]把 ... 分类(類) (bǎ ... fēnlèi)
[door etc]捣(搗)毁(毀) (dǎohuǐ)
(Chem) 分解 (fēnjiě)
(fig)[barriers, prejudices]解除 (jiěchú)
See break
All related terms of 'break down'
break up
( ship ) 碎裂 suìliè
break through
( sun ) 显(顯)现(現) xiǎnxiàn
break out
( begin : war, fight ) 爆发(發) bàofā
break open
( door, window etc ) 用力打开(開) yònglì dǎkāi
break off
( branch ) 折断(斷) zhéduàn
break into
( house ) 强(強)行进(進)入 qiángxíng jìnrù
break in
( burglar ) 破门(門)而入 pòmén ér rù
break away
( from pursuer etc ) 逃脱(脫) táotuō
1 (phrasal verb)
Definition
to cease to function
Their car broke down.
Synonyms
stop working
stop
give out
pack up (British, informal)
Our car packed up.
have had it
seize up
cease to function
conk out (informal)
go on the blink
go kaput (informal)
go phut
die
The engine coughed, spluttered, and died.
cark it (Australian, New Zealand, slang)
2 (phrasal verb)
Their partnership broke down after too many disagreements.
Synonyms
fail
He was afraid the revolution they had started would fail.
collapse
His business empire collapsed under a massive burden of debt.
fall through
The deal fell through.
be unsuccessful
come unstuck
run aground
come to grief
So many marriages have come to grief over lack of money.
come a cropper (informal)
turn out badly
3 (phrasal verb)
Definition
to give way to strong emotion or tears
The young man broke down and cried.
Synonyms
be overcome
lose control
crack up (informal)
He's going to crack up if he doesn't take a break soon.
lose it (informal)
go to pieces
See break
Additional synonyms
in the sense of collapse
Definition
to fail completely
His business empire collapsed under a massive burden of debt.
Synonyms
fail,
fold,
founder,
break down,
fall through,
come to nothing,
go belly-up (informal)
in the sense of come to grief
Definition
to have an unfortunate or unsuccessful end or outcome
So many marriages have come to grief over lack of money.
Synonyms
fail,
founder,
break down,
come unstuck,
miscarry,
fall flat on your face,
meet with disaster
in the sense of crack up
Definition
to have a physical or mental breakdown
He's going to crack up if he doesn't take a break soon.