| empty-headed |
| forgetful(adjective, unconcerned, ignorant, unfamiliar, unconscious) |
| forgetting(unconcerned, unfamiliar, uninformed) |
| frank(adjective, kindly, ignorant, naive, unknowing) |
| gauche |
| gone(unconcerned, unfamiliar, uninformed) |
| groping |
| guileless(adjective, kindly, ignorant, naive, unknowing) |
| gullible(adjective, kindly, ignorant, naive, unknowing) |
| harmless(adjective, kindly, ignorant, naive, unknowing) |
| heedless(adjective, unconcerned, ignorant, unconscious, negligent) |
| hurtless(adjective, kindly, ignorant, naive, unknowing) |
| immature(new, raw, inept, inexperienced, inexpert) |
| in a daze(expression, adjective, idiom, unconcerned, ignorant) |
| inane |
| inattentive(adjective, unconcerned, ignorant, unconscious, heedless) |
| incommunicado(adjective, ignorant) |
| inconversant(adjective, unconcerned, ignorant, unfamiliar, unconscious) |
| inept(new, raw, unfamiliar, inexperienced, inexpert) |
| inexpert(new, raw, inept, unfamiliar, inexperienced) |