1) Apathetic 2) Careless 3) CONTRACT DEBT CHITS 4) Inattentive 5) Indifferent 6) Lacking care or attention 7) Negligent 8) Not curious 9) Not inquisitive or observant 10) Uninquiring 11) Uninquisitive 12) Uninterested 
• (a.) Not curious or inquisitive; without care for or interest in; inattentive; careless; negligent; heedless.
In·cu'ri·ous adjective [ Latin incuriosus : confer French incurieux . See In- not, and Curious .] Not curious or inquisitive; without care for or interest in; inattentive; careless; negligent; heedless. « Carelessnesses and incurious deportments toward their ...
[adj] - showing absence of intellectual inquisitiveness or natural curiosity
adjective showing absence of intellectual inquisitiveness or natural curiosity; `strangely incurious about the cause of the political upheaval surrounding them`
not curious; not inquisitive or observant; inattentive; indifferent. · lacking care or attention; careless; negligent. · deficient in interest or novelty.