| oblivious(adjective, ignorant, unaware, undiscerning, unnoticing) |
| absorbed(unconcerned, unfamiliar, uninformed) |
| abstracted(unconcerned, unfamiliar, uninformed) |
| amnesic(unconcerned, unfamiliar, uninformed, undiscerning, unnoticing) |
| blundering(unconcerned, unfamiliar, uninformed) |
| deaf(unconcerned, unfamiliar, uninformed) |
| disregardful(unconcerned, unfamiliar, uninformed) |
| forgetful(unconcerned, unfamiliar, uninformed) |
| forgetting(unconcerned, unfamiliar, uninformed, unnoticing) |
| gone(unconcerned, unfamiliar, uninformed) |
| incognizant(unconcerned, unfamiliar, uninformed) |
| inconversant(unconcerned, unfamiliar, uninformed, undiscerning, unnoticing) |
| insensible(unconcerned, unfamiliar, uninformed) |
| not all there(expression, idiom, unconcerned, unfamiliar, uninformed) |
| out to lunch(expression, idiom, undiscerning, unnoticing) |
| overlooking(unconcerned, unfamiliar, uninformed, undiscerning) |
| spacey(unconcerned, unfamiliar, uninformed) |
| strung out(expression, unconcerned, unfamiliar, uninformed, undiscerning) |
| unacquainted(unconcerned, unfamiliar, uninformed) |
| unconcerned(unfamiliar, uninformed) |