carelessness

/ˈkɛrləsnəs/
noun
  1. The quality or state of not giving enough attention or thought to what you are doing, resulting in mistakes or damage.
    • His carelessness in checking the numbers cost the company thousands of dollars.
    • The accident was caused by the driver's carelessness.
    • Carelessness with fire can lead to serious burns or house fires.
What does "carelessness" mean? | whatsthatwordmean | whatsthatwordmean