| inattentive(adjective, unconcerned, ignorant, unconscious, heedless) |
| insensible(adjective, unconcerned, ignorant, unfamiliar, unconscious) |
| mooning(adjective, unconcerned, ignorant, unconscious, heedless) |
| negligent(adjective, unconcerned, ignorant, unconscious, heedless) |
| nescient(adjective, unconcerned, ignorant, unconscious, heedless) |
| not all there(expression, idiom, unconcerned, ignorant, unfamiliar) |
| not cognizant(expression, adjective, unconcerned, ignorant, unconscious) |
| oblivious(adjective, unconcerned, unknown, ignorant, unconscious) |
| out cold(expression, adjective, unconcerned, ignorant, unconscious) |
| out of it(expression, adjective, idiom, unconcerned, ignorant) |
| out to lunch(expression, adjective, idiom, unconcerned, ignorant) |
| overlooking(unconcerned, unfamiliar, uninformed, undiscerning, unrecognizing) |
| spacey(adjective, unconcerned, ignorant, unfamiliar, unconscious) |
| strung out(expression, unconcerned, unfamiliar, uninformed, undiscerning) |
| unacquainted(adjective, unconcerned, ignorant, unfamiliar, unconscious) |
| unaware(adjective, ignorant, unconscious, unknowing, uninformed) |
| unconcerned(ignorant, unfamiliar, unconscious, uninformed) |
| unconscious(adjective, unconcerned, ignorant, heedless, unknowing) |
| undiscerning(unconcerned, unfamiliar, uninformed, unrecognizing, unnoticing) |
| unenlightened(adjective, unconcerned, ignorant, unconscious, heedless) |