Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “careless”

careless

adjective uk   /ˈkeə.ləs/ us    /ˈker-/

careless adjective (NO ATTENTION)

B1 not taking or showing enough care and attention: My son's teacher says that his work is often rather careless. He made a careless remark (= one made without thinking) about her appearance that really upset her.

careless adjective (NO WORRY)

literary relaxed, natural, and free from worry
See also
carelessly
adverb uk   /-li/ us  
B2 He told me off for driving carelessly.
carelessness
noun [U] uk   /-nəs/ us  
(Definition of careless from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of careless?
Browse related topics

You are looking at an entry to do with Not paying attention, but you might be interested in these topics from the Attention and care topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “careless” in other dictionaries

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More