| adjective | marked by or paying little heed or attention; --Franklin D. Roosevelt “We have always known that heedless self-interest was bad morals; we know now that it is bad economics” |
| adjective | characterized by careless unconcern; - Edith Wharton “the heedless generosity and the spasmodic extravagance of persons used to large fortunes” |
| heedlessness | noun | a lack of attentiveness (as to children or helpless people) |
| recklessness | noun | the trait of giving little thought to danger |