unobserving (adjective) inattentive: negligent, not paying attention
Sinonime: absent, absentminded,
apathetic,
blind,
bored,
careless,
distracted, distrait,
distraught, diverted,
dreamy, faraway,
heedless,
inadvertent,
indifferent, inobservant,
listless,
lost*,
musing, neglectful,
oblivious, off-guard, out to lunch,
preoccupied,
rapt,
regardless,
remiss,
removed, scatterbrained,
thoughtless,
unconscious, undiscerning, unheeding, unmindful, unnoticing, unobservant, unobserving, unperceiving, unthinking, unwatchful,
vagueAntonime: attentive, heedful, looking, noticing,
observant