heedlessness

Noun

• the trait of forgetting or ignoring your responsibilities

• the trait of acting rashly and without prudence

• a lack of attentiveness (as to children or helpless people)

Related words

• Synonyms: 
  unmindfulness , inadvertence , inadvertency , mindlessness , rashness , inattentiveness
• Antonyms: 
  mindfulness , heedfulness , attentiveness , heed , regard , paying attention