heedlessness
(noun)
noun
1. a lack of attentiveness (as to children or helpless people)
Similar word(s): inattentiveness
Definition categories: thought, inattention
2. the trait of acting rashly and without prudence
Similar word(s): mindlessness, rashness
Definition categories: attribute, imprudence
3. the trait of forgetting or ignoring your responsibilities
Similar word(s): inadvertence, inadvertency, unmindfulness
Definition categories: attribute, attentiveness