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"
paying attention,
attentive,
heedful,
thoughtful (often followed by `to') giving care or attention; "attentive to details"; "the nurse was attentive to her patient"; "an attentive suitor"
regardless,
careless effortless and unstudied; "an impression of careless elegance"; "danced with careless grace"
