UNHEEDING

heedless, unheeding

(adjective) 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”

Source: WordNet® 3.1

Etymology

Adjective

unheeding (comparative more unheeding, superlative most unheeding)

Showing disregard

Source: Wiktionary