Akademik

carelessness
noun
1. the quality of not being careful or taking pains (Freq. 1)
Syn: ↑sloppiness
Ant: ↑carefulness
Derivationally related forms: ↑sloppy (for: ↑sloppiness), ↑careless
Hypernyms: ↑inattentiveness
Hyponyms: ↑incaution, ↑incautiousness, ↑negligence, ↑neglect, ↑neglectfulness, ↑unconscientiousness
2. failure to act with the prudence that a reasonable person would exercise under the same circumstances (Freq. 1)
Syn: ↑negligence, ↑neglect, ↑nonperformance
Derivationally related forms: ↑neglect (for: ↑neglect), ↑careless
Hypernyms: ↑nonaccomplishment, ↑nonachievement
Hyponyms:
dereliction, ↑comparative negligence, ↑concurrent negligence, ↑contributory negligence, ↑criminal negligence, ↑culpable negligence, ↑neglect of duty, ↑evasion, ↑escape, ↑dodging

Useful english dictionary. 2012.