* His careless driving led to a fender bender. (This sentence describes the consequence of careless behavior.)
* The careless student left their homework at home. (This sentence describes a person's lack of attention to detail.)
* The careless rumor spread quickly through the school. (This sentence highlights the potential harm of careless words or actions.)
* Her careless remark hurt her friend's feelings. (This sentence shows how carelessness can impact others.)
* He made a careless mistake, costing his team the game. (This sentence emphasizes the negative impact of carelessness on a specific situation.)