incuriosity (?.)
- absentmindedness
- accidia
- acedia
- apathy
- ataraxia
- ataraxy
- carelessness
- casualness
- detachment
- disinterest
- dispassion
- disregard
- disregardfulness
- distraction
- easygoingness
- flightiness
- flippancy
- frivolousness
- giddiness
- heedlessness
- inadvertence
- inadvertency
- inattention
- inattentiveness
- inconsideration
- indifference
- indiscrimination
- inexcitability
- inobservance
- insouciance
- lack of affect
- lackadaisicalness
- levity
- lightmindedness
- listlessness
- mindlessness
- negligence
- nonchalance
- nonobservance
- obliviousness
- pococurantism
- recklessness
- regardlessness
- shallowness
- sloth
- superficiality
- thoughtlessness
- unalertness
- unanxiousness
- unawareness
- unconcern
- unconsciousness
- unheedfulness
- unintentiveness
- unmindfulness
- unobservance
- unsolicitousness
- unwariness
- unwatchfulness