Synonym: reckless, sloppy, slovenly. Antonym: careful. Similar words: nonetheless, homeless, senseless, nevertheless, tactlessness, less, release, telescope. Meaning: ['keəlɪs] 
adj. 1. marked by lack of attention or consideration or forethought or thoroughness; not careful 2. effortless and unstudied 3. (usually followed by `of') without due thought or consideration.
adj. 1. marked by lack of attention or consideration or forethought or thoroughness; not careful 2. effortless and unstudied 3. (usually followed by `of') without due thought or consideration. 
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91. I don't want careless talk to destabilise the shares.
92. Our printing forefathers were notoriously careless about their pagination.
93. For a banker he was pretty careless with money!
94. He thought she was careless about that.
95. Terence has always been careless with his money.
96. Are you going to be careless with me?
97. Be not careless in deeds, nor confused in words,(sentencedict .com) nor rambling in thought. Marcus Aurelius 
98. Whoever is careless with the truth in small matters cannot be trusted with important matters. Albert Einstein
99. Witnesses say the argument started after a careless remark about the victim's wife.
100. This is a dangerous time to be slipshod or careless about anything, for your mistakes will be ruthlessly and embarrassingly exposed.
101. Could Kevin's parents really be so careless that they would lose him twice?
102. Keaton got careless and left fingerprints at the scene of the crime.
103. As to negligence it was true that Moorgate Mercantile had been careless in failing to register their hire purchase agreement.
104. Clearly[sentencedict.com], the difference between reckless driving and careless driving is one of degree.
105. A van driver involved in the accident has been charged with causing death by careless driving.
106. The building had been finished in a very careless way, with loose wires and unpainted ceilings.
107. Katz argued that the police used too much force and were careless in making arrests.
108. He was over the drink-drive limit and had a previous conviction for careless driving.
109. After a few weeks, he started getting careless about taking his medication.
110. Officials suspect that the fire was started by careless campers.
111. Soon he begins to get angry at the people involved in the incident for being so careless or so heartless.
112. There had been no announcement of her substitution, but theatre people were notoriously careless about such things.
113. I suggest next time you pick up broken glass you try not to be so careless.
114. So many people admire his work that he can be quite careless of the few who don't.
115. His misery made him slow-witted and careless and he was ashamed of the part he had played at the warren.
116. Schwarzkopf strongly defended his field commanders from allegations that they were careless about chemical and biological weapons.
117. Neighbour Martin Clarke, 31, has been charged with causing his death by careless driving.
118. He was fined 300-pounds and given six penalty points for careless driving.
119. Careless handling of pesticides causes dozens of accidents on farms every year.
120. Pryce accused the other driver of being careless and negligent.
More similar words: nonetheless, homeless, senseless, nevertheless, tactlessness, less, release, telescope, bless, relevant, unless, irrelevant, endless, much less, flawless, reckless, tactless, pointless, unrelentingly, tactlessly, no less than, regardless, more or less, irregardless, regardless of, sales, care, car, rely, flesh out.