unthoughtfulness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the trait of not thinking carefully before acting
• Syn:
thoughtlessness
• Ant:
thoughtfulness
• Derivationally related forms:
thoughtless (for: thoughtlessness), unthoughtful
• Hypernyms:
trait
• Hyponyms:
recklessness, foolhardiness, rashness, impulsiveness