If you are careless, you do not pay enough attention to what you are doing, and so you make mistakes, or cause harm or damage.
I'm sorry. How careless of me. [+ of]
Some mothers were a bit careless with money. [+ with]
Mr Clarke had pleaded guilty to causing death by careless driving.
Synonyms: slapdash, irresponsible, sloppy [informal], cavalier More Synonyms of careless
carelesslyadverb [ADVERB with verb]
She was fined £100 for driving carelessly.
The fire is believed to have been started by a carelessly discarded cigarette.
carelessnessuncountable noun
The defence conceded stupid goals through sheer carelessness.
Synonyms: negligence, neglect, omission, indiscretion More Synonyms of careless
2. adjective
If you say that someone is carelessof something such as their health or appearance, you mean that they do not seem to be concerned about it, or do nothing to keep it in a good condition.
He had shown himself careless of personal safety. [+ of]
She's careless about her hygiene.
That shows a fairly careless attitude to clothes, doesn't it?
[Also + about]
Synonyms: negligent, hasty, unconcerned, cursory More Synonyms of careless
3. graded adjective [usually ADJECTIVE noun]
If you describe someone's movements as careless, you mean that they are relaxed or confident, and do not seem to require much effort or thought.
[literary]
With a careless flip of his wrists, he sent the ball quickly on its way.
Synonyms: nonchalant, casual, offhand, artless More Synonyms of careless
careless in British English
(ˈkɛəlɪs)
adjective
1.
done with or acting with insufficient attention; negligent
2. (often foll byin, of, or about)
unconcerned in attitude or action; heedless; indifferent (to)
she's very careless about her clothes
3. (usually prenominal)
carefree
4. (usually prenominal)
unstudied; artless
an impression of careless elegance
Derived forms
carelessly (ˈcarelessly)
adverb
carelessness (ˈcarelessness)
noun
careless in American English
(ˈkɛrlɪs)
adjective
1.
without worry; carefree; untroubled
2.
not paying enough attention; not thinking before one acts or speaks; neglectful; heedless; inconsiderate
3.
done or made without enough attention, precision, etc.; not painstaking or thorough
4.
artless; unstudied
a careless grace
Idioms:
careless of
Derived forms
carelessly (ˈcarelessly)
adverb
carelessness (ˈcarelessness)
noun
Word origin
ME careles < OE carleas: see care & -less
Examples of 'careless' in a sentence
careless
The torso of a woman in a hoodie failed to fool a police motorcyclist who spotted the driver making a careless manoeuvre.
Times, Sunday Times (2016)
There may be cheaper chargers out there but this is a worthwhile investment for anyone who is a bit careless with their tech.
The Sun (2016)
We can no longer afford this careless, laissez-faire attitude.
Times, Sunday Times (2016)
This can happen for equipment that is easily damaged by careless use.
Charles A. D'Ambrosio & Stewart D. Hodges & Richard Brealey & Stewart Myers Principles of Corporate Finance (1991)
Some media are vulnerable to careless handling.
Robertson, Bruce Learn to Draw Countryside (1996)
Is there an arrogance that makes him careless?
Times, Sunday Times (2007)
Yet he lived too fiercely and was careless with his life.
Kathleen E. Woodiwiss THE WOLF AND THE DOVE
This careless attitude was to cost me dearly.
Edward Beauclerk Maurice THE LAST OF THE GENTLEMEN ADVENTURERS: Coming of Age in the Arctic (2004)
To do it twice just seems careless.
The Sun (2014)
Phone him to say you are confused and hurt by his careless attitude.
The Sun (2016)
What chance do patients in this trust have when the man with his finger on the money is so careless with it?
The Sun (2010)
Until now, the police had to take careless drivers to court.
Times, Sunday Times (2013)
This should have been more comfortable but the Gunners were a bit careless.
The Sun (2009)
His mother and son-in-law were careless and used up what money there was.
Clerk, Jayana & Siegel, Ruth Modern Literatures of the Non-Western World: Where the Waters Are Born (1995)
It's not time to be careless about money.
The Sun (2009)
But we've been a bit careless and not played well.
The Sun (2013)
It all seems rather careless.
Times, Sunday Times (2008)
A careless risk taker, on the other hand, needs to slow down and do more research before taking action.
Christianity Today (2000)
In this latter particular, and in the too free and careless use of it in the hottest days of summer, the abuse of the luxury consists.
Gavin Weightman THE FROZEN WATER TRADE (2002)
In other languages
careless
British English: careless /ˈkɛəlɪs/ ADJECTIVE
If you are careless, you do not pay enough attention to what you are doing, and so you make mistakes.
The company was careless about safety.
American English: careless
Arabic: مُهْمِل
Brazilian Portuguese: descuidado
Chinese: 粗心大意的
Croatian: nemaran
Czech: neopatrný
Danish: skødesløs
Dutch: achteloos
European Spanish: descuidado negligente
Finnish: huolimaton
French: négligent
German: nachlässig
Greek: απρόσεκτος
Italian: negligente
Japanese: 不注意な
Korean: 부주의한
Norwegian: uvøren
Polish: niedbały
European Portuguese: descuidado
Romanian: neglijent
Russian: небрежный
Latin American Spanish: descuidado
Swedish: slarvig
Thai: ไม่ระมัดระวัง
Turkish: dikkatsiz
Ukrainian: легковажний
Vietnamese: bất cẩn
Chinese translation of 'careless'
careless
(ˈkɛəlɪs)
adj
(= negligent)
[person, worker]粗心的 (cūxīn de)
[driving]疏忽的 (shūhu de)
[mistake]疏忽造成的 (shūhu zàochéng de)
how careless of me!我真是太不小心了! (wǒ zhēn shì tài bùxiǎoxīn le!)
it was careless of him to let the dog out他真不当(當)心,把狗放了出去 (tā zhēn bù dāngxīn, bǎ gǒu fàngle chūqù)
to be careless with sth[money, resources]对(對)某物很随(隨)便 (duì mǒuwù hěn suíbiàn)
to be careless of sth (frm, = heedless) 不顾(顧)某物 (bùgù mǒuwù)
1 (adjective)
Definition
done or acting with insufficient attention
He pleaded guilty to careless driving.
Synonyms
slapdash
a slapdash piece of work
irresponsible
It would be irresponsible to accept unrealistic targets.
sloppy (informal)
I won't accept sloppy work from my students.
cavalier
offhand
neglectful
Children who are neglected tend to become neglectful parents.
slipshod
The hotel had always been run in a slipshod way.
lackadaisical
inattentive
These children were more likely to be inattentive at school.
regardless
Opposites
alert
,
attentive
,
correct
,
careful
,
cautious
,
wary
,
on the ball (informal)
,
watchful
2 (adjective)
Definition
done or acting with insufficient attention
Office workers are notoriously careless about their passwords.
Synonyms
negligent
The jury ruled that the Council had acted in a negligent manner.
hasty
Let's not be hasty.
unconcerned
Paul was unconcerned about what he had done.
cursory
I gave the letter a fairly cursory reading.
perfunctory
She gave the list only a perfunctory glance.
thoughtless
It was thoughtless of her to mention it.
indiscreet
He is notoriously indiscreet about his private life.
unthinking
Bruce was no unthinking vandal.
forgetful
My mother has become very forgetful recently.
absent-minded
The laptop was exactly where its absent-minded owner had left it.
inconsiderate
his inconsiderate behaviour
heedless
She scattered the letters about in her heedless haste.
remiss (formal)
I would be remiss if I did not do something about it.
incautious
In case you think I was incautious, take a look at the map.
unmindful
regardless
Opposites
concerned
,
careful
,
anxious
,
painstaking
,
accurate
3 (adjective)
Definition
unconcerned in attitude or action
With a careless flip of his wrists, he sent the ball on its way.
Synonyms
nonchalant
Denis tried unsuccessfully to look nonchalant and uninterested.
casual
I stood up and gave a casual glance behind me.
offhand
Consumers found the attitude of its staff offhand.
artless
unstudied
regardless
Opposites
careful
,
painstaking
,
accurate
Additional synonyms
in the sense of absent-minded
Definition
inattentive or forgetful
The laptop was exactly where its absent-minded owner had left it.