| tucked away(expression, overspread, bury, stash, super-imposed) |
| unacquainted(ignorant, unaware, uneducated) |
| unadvised(unknowing, hermetical, unbriefed) |
| unapprised(ignorant, unaware, uneducated) |
| unaware(ignorant, naive, uneducated, ingenuous, unwitting) |
| unconversant(unknowing, hermetical, unbriefed) |
| under-the-table(unknowing, hermetical, unbriefed) |
| under cover(expression, unknowing, hermetical, unbriefed) |
| under the table(expression, idiom, unknowing, hermetical, unbriefed) |
| uneducated(adjective, blank, ignorant, naive, unaware) |
| unfamiliar(ignorant, unaware, uneducated) |
| unforthcoming(unknowing, hermetical, unbriefed) |
| unintellectual(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) |
| unwarned(unknowing, hermetical, unbriefed) |