thoughtlessness
- n the quality of failing to be considerate of others
- n the trait of not thinking carefully before acting
- William's towering professional achievements and his genuine affection for his son were offset by impatience, impulsiveness, arrogance, gluttony and criminal thoughtlessness.
- There must be no replay of America's thoughtlessness in 1989, when, after the defeated Soviet forces marched across the Oxus River, Washington dropped Afghanistan like a used tissue.
- But man's ways of thought or thoughtlessness were not easily changed.