| taken up(expression, adjective, delighted, distracted, enchanted) |
| unapprised(ignorant, ignorance, unaware, uneducated) |
| unconsciousness |
| unconsidered(careless, casual, arbitrary) |
| uncontrived(adjective, simple, natural, casual, impulsive) |
| unconversant(adjective, innocent, thick, unfamiliar, unknowing) |
| under(adjective, numb, asleep, deadened, sedated) |
| uneducated(adjective, innocent, thick, ignorant, naive) |
| unforced(adjective, simple, natural, casual, impulsive) |
| uninstructed(adjective, unconcerned, thick, ignorant, naive) |
| unknowledgeable(adjective, innocent, thick, unfamiliar, unknowing) |
| unlearned(adjective, natural, innocent, thick, unfamiliar) |
| unmeditated(unwilling, obligatory, automatic, compulsory, involuntary) |
| unprehensive |
| unresponsive(adjective, insensitive, inert, unaware, unmoving) |
| unseeing(adjective, dull, careless, indifferent, thoughtless) |
| untaught(adjective, innocent, thick, unfamiliar, unknowing) |
| unwilling(obligatory, compulsory) |
| woolgathering(adjective, careless, remote, vague, distracted) |
| bemused(careless, remote, distracted, heedless, wasted) |