carelessness Meaning, Definition & Usage

  1. noun the quality of not being careful or taking pains
    sloppiness.
  2. noun failure to act with the prudence that a reasonable person would exercise under the same circumstances
    nonperformance; negligence; neglect.

WordNet


Care"less*ness noun
Definitions
  1. The quality or state of being careless; heedlessness; negligenece; inattention.

Webster 1913