- heedless, thoughtless, unheeding - 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"
- inattentive, unheeding, unlistening, deaf to - unwilling to hear
Antonym: hearing (indirect, via deaf)