inobservant

apathetic bored careless distracted distraught indifferent oblivious

absent absentminded blind distrait diverted dreamy faraway heedless inadvertent listless lost musing neglectful off-guard out to lunch preoccupied rapt regardless remiss removed scatterbrained thoughtless unconscious undiscerning unheeding unmindful unnoticing unobservant unobserving unperceiving unthinking unwatchful vague

caring concerned interested mindful

attentive heedful looking noticing observant

heedless

careless deaf forgotten ignored inattentive unmindful unnoticed unwatchful

heeding