characterized by careless unconcern
"the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton
"reckless squandering of public funds"
marked by or paying little heed or attention
"We have always known that heedless self-interest was bad morals
we know now that it is bad economics"--Franklin D. Roosevelt
"heedless of danger"
"heedless of the child's crying"