carelessness
noun
[ ˈkɛːləsnəs ]
• failure to give sufficient attention to avoiding harm or errors; negligence.
• "most road accidents are caused by carelessness on the part of motorists"
Similar:
inattention,
inattentiveness,
heedlessness,
thoughtlessness,
negligence,
improvidence,
remissness,
forgetfulness,
absent-mindedness,
irresponsibility,
impetuosity,
recklessness,
rashness,
laxity,
laxness,
slackness,
clumsiness,
ineptitude,
oversight,
omission,
dereliction,
sloppiness,
Opposite:
carefulness,