- inconsideration, inconsiderateness, thoughtlessness - the quality of failing to be considerate of others
--1 is a kind of unkindness
Antonyms: consideration, considerateness, thoughtfulness
--1 has particulars: tactlessness; bluntness - unthoughtfulness, thoughtlessness - the trait of not thinking carefully before acting
--2 is a kind of trait
--2 has particulars: recklessness, foolhardiness, rashness; impulsiveness