Meaning: marked by lack of attention or consideration or forethought or thoroughness; not careful; "careless about her clothes"; "forgotten by some careless person"; "a careless housekeeper"; "careless proofreading"; "it was a careless mistake"; "hurt by a careless remark"
Meaning: effortless and unstudied; "an impression of careless elegance"; "danced with careless grace"
"Confound such careless work!
"I beg your pardon; it was extremely careless in me."
We are a very nervous and careless people in America.
Then he lost courage, and became careless and reckless.
They were careless, and gave her meat which had a bone in it.
"Not entirely," replied Matilda, "and since it is granted, I am careless.
He was a happy and healthy old gentleman and therefore he was quite careless about it.
Where did you see her." I prided myself on my careless tone, but Dicky gave me a shrewd glance.
These dolls were very unlucky, or else their mamma was very careless; you can call it whichever you like.