A faulty piece of equipment has something wrong with it and is not working properly.
The money will be used to repair faulty equipment.
2. adjective
If you describe someone's argument or reasoning as faulty, you mean that it is wrong or contains mistakes, usually because they have not been thinking in a logical way.
Their interpretation was faulty–they had misinterpreted things.
More Synonyms of faulty
faulty in British English
(ˈfɔːltɪ)
adjectiveWord forms: faultier or faultiest
1.
defective or imperfect
2. archaic
culpable
Derived forms
faultily (ˈfaultily)
adverb
faultiness (ˈfaultiness)
noun
faulty in American English
(ˈfɔlti)
adjectiveWord forms: ˈfaultier or ˈfaultiest
having a fault or faults; defective, blemished, imperfect, or erroneous
Derived forms
faultily (ˈfaultily)
adverb
faultiness (ˈfaultiness)
noun
Word origin
ME fauti
Examples of 'faulty' in a sentence
faulty
It turned out to be caused by a faulty washing machine in the rented flat upstairs.
The Sun (2016)
AN expat couple died of carbon monoxide fumes from a faulty boiler.
The Sun (2016)
As a first port of call, it is worth checking your retailer's policy for faulty goods.
Times, Sunday Times (2016)
The technique involves injecting a virus into the eye to deliver replacements for faulty genes, which can then produce the missing proteins that cause sight loss.
Times, Sunday Times (2016)
Under section 75, all credit providers are liable along with the company that offers faulty goods or services.
Times, Sunday Times (2017)
I used to think it was but I have come to see that was faulty reasoning.
Times, Sunday Times (2016)
The most common grumble was with faulty goods.
Times, Sunday Times (2016)
We discovered that our home phone was also faulty.
Times, Sunday Times (2015)
Would you take a risk with your family getting into a faulty car?
Times, Sunday Times (2016)
You had proof that the machine was faulty when it was checked.
The Sun (2016)
Too many soldiers have returned from combat with tales of faulty equipment.
Times, Sunday Times (2009)
This means either something is faulty or the meter is reading incorrectly.
Times, Sunday Times (2009)
Try not to join them in their own system of faulty logic!
Pearce, Dr John Families and Friends - how to help your child form happy relationships. (1989)
Yet we now hardly bat an eyelid when such faulty reasoning is used.
Times, Sunday Times (2014)
But friends say an engineer visited recently after the couple reported a faulty boiler.
The Sun (2012)
Some retailers will try to persuade you that you must return faulty goods to the manufacturer.
Times, Sunday Times (2015)
The conman also put in faulty lifts for others.
The Sun (2007)
Manufacturers must contact owners of faulty cars.
Times, Sunday Times (2010)
Anything more than that generally means something is faulty or not being switched off.
Times, Sunday Times (2013)
European experts yesterday reassured women there was no proof of increased danger from the faulty implants.
The Sun (2013)
The map can determine whether the embryo has inherited chunks of chromosome that contain any faulty gene.
Times, Sunday Times (2008)
You do have a short time period in which you can take back faulty goods and demand a refund.
The Sun (2014)
Tata initially denied that the car was faulty but recently offered buyers an optional upgrade to the exhaust and electrical systems.
Times, Sunday Times (2010)
Staff had complained about faulty equipment.
The Sun (2013)
What on the face of it seemed a perverse limitation had its own logic, faulty though it proved to be.
Glyn Williams VOYAGES OF DELUSION: The Search for the North West Passage in the Age of Reason (2002)
All six denied conspiracy to commit fraud at Kingston crown court, blaming faulty ticket machines.
The Sun (2014)
In other languages
faulty
British English: faulty /ˈfɔːltɪ/ ADJECTIVE
A faulty machine or piece of equipment is not working properly.
His car has faulty brakes.
American English: faulty
Arabic: مَعِيب
Brazilian Portuguese: defeituoso
Chinese: 有缺点的
Croatian: pokvaren
Czech: vadný
Danish: defekt
Dutch: defect
European Spanish: defectuoso
Finnish: viallinen
French: défectueux
German: fehlerhaft
Greek: ατελής
Italian: difettoso
Japanese: 欠陥のある
Korean: 결점이 있는
Norwegian: defekt
Polish: wadliwy
European Portuguese: defeituoso
Romanian: defect
Russian: неисправный
Latin American Spanish: defectuoso
Swedish: felaktig
Thai: ซึ่งมีข้อผิดพลาด
Turkish: hatalı
Ukrainian: несправний
Vietnamese: bị lỗi
Chinese translation of 'faulty'
faulty
(ˈfɔːltɪ)
adj
[machine]有故障的 (yǒu gùzhàng de)
1 (adjective)
Definition
badly designed or not working properly
They will repair the faulty equipment.
Synonyms
defective
Retailers can return defective merchandise.
damaged
not working
malfunctioning
broken
a broken guitar and a rusty snare drum
bad
Many elderly people are living in bad housing.
flawed
the unique beauty of a flawed object
impaired
The blast left him with permanently impaired vision.
imperfect
We live in an imperfect world.
blemished
out of order
The espresso machine is out of order.
on the blink
an old TV that's on the blink
buggy
2 (adjective)
Their interpretation was faulty.
Synonyms
incorrect
He denied that his evidence was incorrect.
wrong
That was the wrong answer – try again.
flawed
The tests were seriously flawed.
inaccurate
The reports were based on inaccurate information.
bad
weak
His eyesight had always been weak.
invalid
Those arguments are rendered invalid by the hard facts.
erroneous
The conclusions they have come to are completely erroneous.
unsound
The thinking is muddled and fundamentally unsound.
imprecise
fallacious
Their argument is fallacious.
Additional synonyms
in the sense of bad
Definition
not good
Many elderly people are living in bad housing.
Synonyms
inferior,
poor,
inadequate,
pathetic,
faulty,
duff (British, informal),
unsatisfactory,
mediocre,
defective,
second-class,
deficient,
imperfect,
second-rate,
shoddy,
low-grade,
erroneous,
substandard,
low-rent (informal),
two-bit (slang),
crappy (slang),
end-of-the-pier (British, informal),
poxy (slang),
dime-a-dozen (informal),
piss-poor (slang),
bush-league (Australian, New Zealand, informal),
tinhorn (US, slang),
half-pie (New Zealand, informal),
bodger or bodgie (Australian, slang),
strictly for the birds (informal)
in the sense of broken
Definition
not functioning
a broken guitar and a rusty snare drum
Synonyms
defective,
not working,
ruined,
imperfect,
out of order,
not functioning,
on the blink (slang),
on its last legs,
kaput (informal)
in the sense of erroneous
Definition
based on or containing an error or errors
The conclusions they have come to are completely erroneous.