| unbaked(inexperienced, kidder, sophomore) |
| unblighted(inexperienced, kidder, sophomore) |
| unbriefed(unknowing, hermetical) |
| under-the-table(unknowing, hermetical, unbriefed) |
| under cover(expression, unknowing, hermetical, unbriefed) |
| under the table(expression, idiom, unknowing, hermetical, unbriefed) |
| undergrown(inexperienced, kidder, sophomore) |
| unforthcoming(unknowing, hermetical, unbriefed) |
| unpolished(adjective, fresh, raw, innocent, inexperienced) |
| unprofaned(inexperienced, kidder, sophomore) |
| unproven(new, raw, inexpert) |
| unrevealed(unknowing, hermetical, unbriefed) |
| unskillful(adjective, fresh, raw, innocent, inexperienced) |
| unspotted(inexperienced, kidder, sophomore) |
| unstudious(adjective, unknowing, hermetical, unbriefed) |
| untested(new, raw, inexpert) |
| untutored(inexperienced, kidder, sophomore, unfledged) |
| unwarned(unknowing, hermetical, unbriefed) |
| wide-eyed(inexperienced, kidder, sophomore, unfledged) |