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

Derived forms: carelessnesses

See also: careless

Type of: inattentiveness, nonaccomplishment, nonachievement

Antonym: carefulness

Encyclopedia: Carelessness

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