American Heritage Dictionary
(7)
Century Dictionary
(5)
GNU Webster's 1913
(1)
WordNet
(3)
Elsewhere on the web
If you have been careless, they'll put 'em so close, there'll be no question about the kind of a scare you will have There wasn't in my case.— High Adventure A Narrative of Air Fighting in France
Ann had been guiltily careless, and yet she expressed no grief over the trouble she had made.— Country Neighbors
His cheeks lost their colour--his eyes grew dim; and he became moody, careless, and melancholy.— Memoirs of Extraordinary Popular Delusions and the Madness of Crowds
I think you have done sufficient mischief by being careless, and I hope you will soon begin to do better I will try, mother Very likely she meant to try, just then, while she was smarting under her mother's rebuke, and while she was still sad at the loss of the flower; but she had promised to do better so many times, that her mother could hardly believe her again I want you to carry this quart of milk down in the meadow to poor Mrs. O'Brien," said Mrs. Lamb, as she handed her a tin kettle.— Proud and Lazy A Story for Little Folks
As they ate, Anderton glanced from time to time at the man whom he had known as a careless youth at Oxford.— A Mating in the Wilds

Century Dictionary (1)
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