English to English

noun (n)

• the quality of failing to be considerate of others(noun.attribute)

  Synonym:
  inconsiderateness, inconsideration
  Antonym:
  considerateness, consideration, thoughtfulness
  

  source: wordnet30
• the trait of not thinking carefully before acting(noun.attribute)

  Synonym:
  unthoughtfulness
  Antonym:
  thoughtfulness
  

  source: wordnet30