careless

word

/ˈkɛɹɫəs/
KAIR-lis
/kˈeələs/
KAIR-lis

Definition

Not giving enough thought or attention to what you are doing, often leading to mistakes or accidents.

Usage & Nuances

'Careless' is mildly negative, describing actions done without proper attention. Common phrases: 'careless mistake', 'careless driving'. It is used in both formal and informal contexts. Don't confuse with 'carefree', which is positive and means relaxed.

Example Sentences

He made a careless mistake on his homework.

basic

Don’t be careless when crossing the street.

basic

She lost her keys because she was careless.

basic

That was a pretty careless thing to say in front of your boss.

natural

Sometimes being careless with your words can hurt others without you realizing.

natural

I got a ticket for careless driving last week.

natural