ˈhēdlə̇s adjective
: not taking heed : inattentive , unmindful , careless , unobservant , oblivious
heedless of the younger lad's howling — Pearl Buck
the heedless generosity and the spasmodic extravagance of persons used to large fortunes — Edith Wharton
• heed·less·ly adverb
• heed·less·ness noun -es