| out to lunch(expression, idiom, unknowing, hermetical, unbriefed) |
| secretive(unknowing, hermetical, unbriefed) |
| shrouded(unknowing, hermetical, unbriefed) |
| unadvised(unknowing, hermetical, unbriefed) |
| unbriefed(unknowing, hermetical) |
| unconversant(unknowing, hermetical, unbriefed) |
| under-the-table(unknowing, hermetical, unbriefed, backstage) |
| under cover(expression, unknowing, hermetical, unbriefed) |
| under the table(expression, idiom, unknowing, hermetical, unbriefed) |
| unforthcoming(unknowing, hermetical, unbriefed) |
| uninformed(unknowing, hermetical, unbriefed) |
| uninstructed(unknowing, hermetical, unbriefed) |
| unintellectual(unknowing, hermetical, unbriefed) |
| unknowing(hermetical, unbriefed) |
| unknowledgeable(unknowing, hermetical, unbriefed) |
| unlettered(unknowing, hermetical, unbriefed) |
| unread(unknowing, hermetical, unbriefed) |
| unrevealed(unknowing, hermetical, unbriefed) |
| unscholarly(unknowing, hermetical, unbriefed) |
| unstudious(unknowing, hermetical, unbriefed) |