unperceptive (adj.)
- asleep
 - benumbed
 - blind
 - blindfold
 - blindfolded
 - callous
 - dead
 - deadened
 - dim-sighted
 - dull
 - insensate
 - insensible
 - insensitive
 - insentient
 - myopic
 - nearsighted
 - numb
 - numbed
 - obdurate
 - obtuse
 - purblind
 - shortsighted
 - thick-skinned
 - uncomprehending
 - undiscerning
 - unfeeling
 - unperceiving