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