How do you say “thoughtlessness” in Vietnamese?

Vietnamese words for “thoughtlessness”

• bàng quanListenadjective
  Hanoi [ʔɓaːŋ˨˩ kwaːn˧˧] · Saigon [ʔɓaːŋ˨˩ waːŋ˧˧]bàng falling quan level

  someone else's accident; etc.; apathetic

  for “thoughtlessness” meaning: Disregard for other's feelings or the consequences of one's actions.

• thờ ơListenadjective
  Hanoi [tʰəː˨˩ ʔəː˧˧] · Saigon [tʰəː˨˩ ʔəː˧˧]thờ falling ơ level

  indifferent; apathetic; lukewarm

  for “thoughtlessness” meaning: Disregard for other's feelings or the consequences of one's actions.